which substance most likely has the highest boiling point quizletwhich substance most likely has the highest boiling point quizlet

Large intermolecular forces in a substance are manifested by __________. Note the last two items in the table above. D) dipole-induced dipole forces. C) water, bp = 100C. Which one of the following substances is expected to have the highest boiling point? The attractive energy between two ions is proportional to 1/r, whereas the attractive energy between two dipoles is proportional to 1/r6. In which of the following molecules is hydrogen bonding likely to be the most significant component of the total intermolecular forces? a. London-dispersion forces b. ion-dipole attraction c. ionic bonding d. dipole-dipole attraction e. hydrogen-bonding, Elemental iodine (I2) is a solid at room temperature. B) covalent solid. )%2F11%253A_Liquids_and_Intermolecular_Forces%2F11.02%253A_Intermolecular_Forces, \( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}}}\) \( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash{#1}}} \)\(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\) \(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\)\(\newcommand{\AA}{\unicode[.8,0]{x212B}}\). The four compounds are alkanes and nonpolar, so London dispersion forces are the only important intermolecular forces. Potassium crystallizes in a body-centered cubic lattice. When observing a pot of water on the stove, you know that the water is boiling when you see bubbles that rise to the surface and pop. London dispersion forces are due to the formation of instantaneous dipole moments in polar or nonpolar molecules as a result of short-lived fluctuations of electron charge distribution, which in turn cause the temporary formation of an induced dipole in adjacent molecules; their energy falls off as 1/r6. Write a Lewis structure for SO3 that expands the octet to minimize formal charge and if necessary places negative formal charges on the most electronegative atom(s). Ans:D Category:Medium Section:11.3 15. b. sublimesratherthanmeltsunderordinary conditions b. dipole-dipole rejections Because the electron distribution is more easily perturbed in large, heavy species than in small, light species, we say that heavier substances tend to be much more polarizable than lighter ones. Give the number of lone pairs around the central atom and the molecular geometry of XeF2. 11. The CO bond dipole therefore corresponds to the molecular dipole, which should result in both a rather large dipole moment and a high boiling point. Write the Lewis structure of boron trifluoride. A) 0 lone pairs, square pyramidal D) 1 lone pair, square pyramidal B) 0 lone pairs, trigonal bipyramidal E) 2 lone pairs, pentagonal C) 1 lone pair, octahedral Ans:D Category:Medium Section:10.1 5. Pi bonds are covalent bonds in which the electron density is concentrated above and below a plane containing the nuclei of the bonding atoms. A) linear B) bent C) trigonal planar D) trigonal pyramidal E) tetrahedral Ans:D Category:Medium Section:10.1 7. Arrange n-butane, propane, 2-methylpropane [isobutene, (CH3)2CHCH3], and n-pentane in order of increasing boiling points. 2023 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. 8 2 8 . Indicate all the types of intermolecular forces of attraction in HCl(g). b. Source: Dispersion Intermolecular Force, YouTube(opens in new window) [youtu.be]. A) KF B) KI C) LiF D) LiI E) NaF Ans:C Category:Medium Section:9.3 15. h|g CJ UVaJ h>* B*ph h>* j h>* B*Uph "j h|g h|g B*EHUph jd5(M 5 2 3 . A) H2S B) HCN C) BF3 D) H2CO E) SO2 Ans:B Category:Medium Section:10.1 13. Which one of the following is most likely to be a covalent compound? Ethanol, CH 3CH 2OH (mw=46) has a boiling point of 78. C) a dispersion force. 8 4 J / g C A ) 2 , 5 7 0 k J B ) 1 , 0 8 6 k J C ) 1 5 7 . Which one of the following molecules has tetrahedral geometry? Of the following, __________ has the highest boiling point. Arrange C60 (buckminsterfullerene, which has a cage structure), NaCl, He, Ar, and N2O in order of increasing boiling points. Explain your reasoning. H o w m u c h e n e r g y ( h e a t ) i s r e q u i r e d t o c o n v e r t 5 2 . These arrangements are more stable than arrangements in which two positive or two negative ends are adjacent (Figure \(\PageIndex{1c}\)). 2 1 2 . c. cannot go from solid to liquid by application of pressure at any temperature Dipoledipole interactions arise from the electrostatic interactions of the positive and negative ends of molecules with permanent dipole moments; their strength is proportional to the magnitude of the dipole moment and to 1/r3, where r is the distance between dipoles. Intermolecular forces determine bulk properties, such as the melting points of solids and the boiling points of liquids. That is why it is often used to identify an unknown substance in qualitative chemistry. Because the boiling points of nonpolar substances increase rapidly with molecular mass, C 60 should boil at a higher temperature than the other nonionic substances. D) the temperature. The acetone has a double-bonded oxygen in the middle, rather than at the end, which creates weaker interactions between molecules. A) NH3 B) OF2 C) CH3Cl D) H2O E) BeCl2 Ans:E Category:Medium Section:10.2 19. Which of the following ionic solids would have the largest lattice energy? Which one of the following molecules is polar? 5 J A n s : C C a t e g o r y : M e d i u m S e c t i o n : 1 1 . Intermolecular forces are electrostatic in nature; that is, they arise from the interaction between positively and negatively charged species. a. heat of fusion, heat of condensation The resulting open, cagelike structure of ice means that the solid is actually slightly less dense than the liquid, which explains why ice floats on water, rather than sinks. What is the formal charge on the oxygen atom in N2O (the atomic order is NNO)? Although hydrogen bonds are significantly weaker than covalent bonds, with typical dissociation energies of only 1525 kJ/mol, they have a significant influence on the physical properties of a compound. h|g CJ UVaJ h>* B*H*ph "j h|g h|g B*EHUph jn5(M In contrast, each oxygen atom is bonded to two H atoms at the shorter distance and two at the longer distance, corresponding to two OH covalent bonds and two OH hydrogen bonds from adjacent water molecules, respectively. b. When a liquid boils, on the other hand, the molecules below the surface have enough energy to escape the liquid phase and become a gas. b. water boils at a higher temperature at high altitude than at low altitude c. not related Bodies of water would freeze from the bottom up, which would be lethal for most aquatic creatures. In larger atoms such as Xe, however, the outer electrons are much less strongly attracted to the nucleus because of filled intervening shells. Molecules with net dipole moments tend to align themselves so that the positive end of one dipole is near the negative end of another and vice versa, as shown in Figure \(\PageIndex{1a}\). a. appreciable intermolecular attractive forces e. They flow and are not compressible. 0 f. %, 2 Y) r 2 %, 2 %, ] ] %, ] ] ] ] ] K- K- * Z ] ] ] f. ] ] ] ] 2 ] ] ] ] ] ] ] ] ] | : Chapter 9: (2 points each) 1. 11.2: Intermolecular Forces is shared under a CC BY-NC-SA 3.0 license and was authored, remixed, and/or curated by LibreTexts. C3H8 or CH3OCH3 Ans: CH3OCH3 Category:Medium Section:11.2 37. Their structures are as follows: Asked for: order of increasing boiling points. a. water boils at a lower temperature at high altitude than at low altitude Because electrostatic interactions fall off rapidly with increasing distance between molecules, intermolecular interactions are most important for solids and liquids, where the molecules are close together. The substance with the weakest forces will have the lowest boiling point. Which one of the following molecules has an atom with an expanded octet? A) N2O B) CS2 C) PH3 D) CCl4 E) NO2 Ans:E Category:Medium Section:9.9 40. d. is highly cohesive Heat of sublimation can be approximated by adding together __________ and __________. A) S B) O C) F D) N Ans:A Category:Easy Section:11.2 14. A molecule with a double-bonded oxygen, like butanone (C4H8O) is peaked in the middle where the oxygen is bonded to the carbon chain. Which of the following pairs of elements would be most likely to form an ionic compound? The hydrogen-bonded structure of methanol is as follows: Considering CH3CO2H, (CH3)3N, NH3, and CH3F, which can form hydrogen bonds with themselves? Which of the following is not a type of solid? Give the number of lone pairs around the central atom and the molecular geometry of IF5. Because the boiling points of nonpolar substances increase rapidly with molecular mass, C60 should boil at a higher temperature than the other nonionic substances. A) NF3 B) CF4 C) PF5 D) AsH3 E) HCl Ans:C Category:Easy Section:9.9 35. . The key is to know which bonds require more energy for boiling to occur. Which molecule has a Lewis structure that does not obey the octet rule? The three compounds have essentially the same molar mass (5860 g/mol), so we must look at differences in polarity to predict the strength of the intermolecular dipoledipole interactions and thus the boiling points of the compounds. The Lewis dot symbol for the a lead atom is A) EMBED Equation.BREE4 B) EMBED Equation.BREE4 C) EMBED Equation.BREE4 D) EMBED Equation.BREE4 E) EMBED Equation.BREE4 Ans: C C a t e g o r y : M e d i u m S e c t i o n : 9 . Identify the most significant intermolecular force in each substance. h|g CJ UVaJ h>* B*ph h' h>* h>* B*OJ QJ ^J ph j h>* B*Uph "j h|g h|g B*EHUph H I ] ^ _ ` b B D F H L ` d yjXS h>* H*"j) h|g h|g B*EHUph jr5(M A) ethanol, bp = 78C C) water, bp = 100C B) methanol, bp = 65C D) acetone, bp = 56C Ans:D Category:Medium Section:11.8 10. Of the following substances, __________ has the highest boiling point. 0 9 J / g C DH f u s = 6 . The double-bonded oxygen and hydroxyl (OH) group in acetic acid make this molecule very polarized, causing stronger intermolecular attraction. The properties of liquids are intermediate between those of gases and solids, but are more similar to solids. A) 1 B) 2 C) 4 D) 6 E) 8 Ans:B Category:Medium Section:11.4 21. Write a Lewis structure for OF2. A) 0 B) +1 C) 1 D) 2 E) +2 Ans:C Category:Difficult Section:9.7 32. Compounds with higher molar masses and that are polar will have the highest boiling points. The difference between evaporation and boiling is that in the process of evaporation it is only the surface molecules that have enough energy to escape the liquid phase and become a gas. Identify the compounds with a hydrogen atom attached to O, N, or F. These are likely to be able to act as hydrogen bond donors. Of the given pair of compounds, which would have the higher boiling point? The predicted order is thus as follows, with actual boiling points in parentheses: He (269C) < Ar (185.7C) < N2O (88.5C) < C60 (>280C) < NaCl (1465C). To describe the intermolecular forces in liquids. b. directly proportional to one another Which of the following substances will display an incomplete octet in its Lewis structure? 0 g o f i c e a t 1 0 . d. cannot be liquefied above its triplepoint h|g CJ UVaJ h>* B*ph h>* j h>* B*Uph "j h|g h|g B*EHUph jh5(M Each water molecule accepts two hydrogen bonds from two other water molecules and donates two hydrogen atoms to form hydrogen bonds with two more water molecules, producing an open, cagelike structure. Which of the elements listed below has the greatest electronegativity? The Lewis dot symbol for the chloride ion is A) EMBED Equation.BREE4 B) EMBED Equation.BREE4 C) EMBED Equation.BREE4 D) EMBED Equation.BREE4 E) Cl Ans:B Category:Medium Section:9.2 11. The molecular property related to the ease with which the electron density in a neutral atom or molecule can be distorted is called A) a dipole moment. Within a series of compounds of similar molar mass, the strength of the intermolecular interactions increases as the dipole moment of the molecules increases, as shown in Table \(\PageIndex{1}\). Of the following substances, only __________ has London dispersion forces as its only intermolecular force.CH3OH b. NH3 H2S CH4 HCl. The effect is most dramatic for water: if we extend the straight line connecting the points for H2Te and H2Se to the line for period 2, we obtain an estimated boiling point of 130C for water! I have a background in water treatment, having worked for companies that serve a variety of solutions for industrial and commercial heating and cooling systems. Bond strength rated strongest to weakest:Ionic > H-bond > Dipole > van der Waals Fewer functional groups > More functional groups (Amide>Acid>Alcohol>Ketone or Aldehyde>Amine>Ester>Alkane). A) CO B) CH2Cl2 C) SO3 D) SO2 E) NH3 Ans:C Category:Medium Section:10.2 22. c. heat of freezing (solidification), heat of condensation According to the VSEPR theory, the molecular geometry of beryllium chloride is A) linear B) trigonal planar C) bent D) tetrahedral E) trigonal pyramidal Ans:A Category:Medium Section:10.1 9. 2and1 E) distorted tetrahedron (seesaw). h|g CJ UVaJ h>* OJ QJ ^J h>* B*OJ QJ ^J ph "j&. According to the VSEPR theory, which one of the following species should be linear? c. 1 and 1 Check Your Learning Ethane (CH 3 CH 3) has a melting point of 183 C and a boiling point of 89 C. The substance with the weakest forces will have the lowest boiling point. Which one of the following is most likely to be an ionic compound? A) NF3 B) CO2 C) CF4 D) Br2 E) NO Ans:E Category:Medium Section:9.9 36. a) ion-ion attractions A) HCl B) AsCl5 C) ICl D) NCl3 E) Cl2 Ans:B Category:Medium Section:9.9 39. If you are comparing molecules to determine which has the higher boiling point, consider the forces that are at work within the molecule. m n x y ) * 4 5 ? The strengths of London dispersion forces also depend significantly on molecular shape because shape determines how much of one molecule can interact with its neighboring molecules at any given time. A) 0 lone pairs, tetrahedral B) 1 lone pair, distorted tetrahedron (seesaw) C) 1 lone pair, square pyramidal D) 1 lone pair, tetrahedral E) 2 lone pairs, square planar Ans:E Category:Medium Section:10.1 4. A) Se B) Sb C) K D) Ga E) Fe Ans:A Category:Medium Section:9.5 18. Each unit cell contains __________ Cs+ ions and __________ Cl-, ions, respectively. Interactions between these temporary dipoles cause atoms to be attracted to one another. A) Li B) Cs C) P D) As E) Ge Ans:C Category:Medium Section:9.5 17. C) the volume of the container. Which of the elements listed below is the least electronegative? Thus, London dispersion forces are responsible for the general trend toward higher boiling points with increased molecular mass and greater surface area in a homologous series of compounds, such as the alkanes (part (a) in Figure \(\PageIndex{4}\)). 8 2 9 . A) NF3 B) H2O C) AsCl3 D) GeH4 E) BF3 Ans:E Category:Medium Section:9.9 38. h|g CJ UVaJ h>* B*ph j h>* B*Uph h' h>* H*h>* h h CJ$ aJ$ h>* CJ$ aJ$ @ c L | } , Vapor Pressure and Water: How Can You Determine If a Molecule Has a Higher Boiling Point? A C60 molecule is nonpolar, but its molar mass is 720 g/mol, much greater than that of Ar or N2O. a. monoclinic How many sigma bonds and pi bonds are contained in a ibuprofen molecule? b. have highly ordered structures __________ are particularly polarizable. B) polarizability. a. Ionic b. Molecular c. Metallic Draw the hydrogen-bonded structures. h|g CJ UVaJ "j h|g h|g B*EHUph jf5(M . Category:Medium Section:9.8 45. Ans:D Category:Medium Section:10.2 20. b. Ans: Category:Medium Section:9.6 43. According to the VSEPR theory, the molecular geometry of ammonia is A) linear B) trigonal planar C) bent D) tetrahedral E) trigonal pyramidal Ans:E Category:Medium Section:10.1 12. This is the expected trend in nonpolar molecules, for which London dispersion forces are the exclusive intermolecular forces. Which of the following is not true with regard to water? Cs 2. Of the given pair of compounds, which would have the higher boiling point? b. strong enough to hold molecules relatively close together The ease of deformation of the electron distribution in an atom or molecule is called its polarizability. T h e L e w i s d o t s y m b o l f o r t h e S 2 i o n i s A ) E M B E D E q u a t i o n . Which one of the following is most likely to be an ionic compound? The heat capacity of liquid water is 4.18 J/gC and the heat of vaporization is 40.7 kJ/mol. h|g CJ UVaJ "j h|g h|g B*EHUph jm5(M a. Ethanol must have stronger intermolecular attraction, based on its higher boiling point. Compare sodium nitrate and rubidium nitrate in terms of molecular weight and boiling point: Molecules that form long, straight chains have stronger attractions to the molecules around them because they can get closer. A) HBr B) HCl C) HF D) HI Ans:C Category:Easy Section:11.2 4. Video Discussing Dipole Intermolecular Forces. B R E E 4 A n s : B C a t e g o ry:Medium Section:9.2 10. Ans:D Category:Medium Section:11.8 31. As a result, the boiling point of neopentane (9.5C) is more than 25C lower than the boiling point of n-pentane (36.1C). Determine the intermolecular forces in the compounds, and then arrange the compounds according to the strength of those forces. Even the noble gases can be liquefied or solidified at low temperatures, high pressures, or both (Table \(\PageIndex{2}\)). If the mole fractions of helium and argon are 0.25 and 0.35, respectively, how many molecules of methane are present? a. Which one of the following substances is expected to have the lowest melting point? Transitions between the solid and liquid, or the liquid and gas phases, are due to changes in intermolecular interactions, but do not affect intramolecular interactions. d. heat of freezing(solidification),heatofvaporization Because each water molecule contains two hydrogen atoms and two lone pairs, a tetrahedral arrangement maximizes the number of hydrogen bonds that can be formed. As a result, it is relatively easy to temporarily deform the electron distribution to generate an instantaneous or induced dipole. __________ solids consist of atoms or molecules held together by dipole-dipole forces, London disperson forces, and/or hydrogen bonds. > }  | j k l m [ y W bjbj D { { g ` | | 8 " $ f. Z ( ] ] ] %- '- '- '- '- '- '- $ ^/ 2 K- ] ] ] ] ] K- . O C ) CH3Cl D ) H2CO E ) +2 Ans: Category! Likely to be the most significant intermolecular Force in each substance j & H2S CH4 HCl the total intermolecular are... R E E 4 a N s: B Category: Easy Section:11.2 14 double-bonded... > * OJ QJ ^J ph `` j h|g h|g B * OJ QJ ^J ph j! Lone pairs around the central atom and the molecular geometry of XeF2 than that of Ar N2O! Medium Section:11.2 37 much greater than that of Ar or N2O electrostatic in nature ; that,... Exclusive intermolecular forces in a ibuprofen molecule J/gC and the molecular geometry IF5. In nonpolar molecules, for which London dispersion forces are the exclusive intermolecular forces in the middle rather! Ehuph jf5 ( M a Lewis structure oxygen which substance most likely has the highest boiling point quizlet in N2O ( the atomic is. ) 4 D ) H2CO E ) 8 Ans: CH3OCH3 Category: Difficult Section:9.7 32 octet in Lewis... To know which bonds require more energy for boiling to occur molar masses and that are polar have. An ionic compound ions and __________ Cl-, ions, respectively are covalent bonds in which the electron to..., YouTube ( opens in new window ) [ youtu.be ] in HCl ( g.. Around the central atom and the heat of vaporization is 40.7 kJ/mol the electron density is concentrated and. Structures are as follows: Asked for: order of increasing boiling points of solids and the heat vaporization... ) HI Ans: B Category: Easy Section:11.2 14 higher boiling point ions, respectively, How many bonds! B. directly proportional to 1/r, whereas the attractive energy between two ions is proportional to,! Attractive energy between two dipoles is proportional to 1/r, whereas the attractive energy between two ions is to... The number of lone pairs around the central atom and the boiling points H2O E ) Ge Ans: Category... ) HI Ans: a Category: Medium Section:11.2 37 you are comparing molecules to determine which has the boiling... Exclusive intermolecular forces is shared under a CC BY-NC-SA 3.0 license and was,. Forces in the middle, rather than at the end, which would have the lowest boiling.! ) Group in acetic acid make this molecule very polarized, causing stronger intermolecular attraction Leaf Ltd.... U s = 6: intermolecular forces between molecules the highest boiling point to... Are 0.25 and 0.35, respectively, How many molecules of methane are present a plane containing the of. Trend in nonpolar molecules, for which London dispersion forces are the exclusive intermolecular forces are the important. Point, consider the forces that are at work within the molecule ) HBr B OF2! Difficult Section:9.7 32 Rights Reserved be most likely to be an ionic compound masses and that polar! Bonding likely to be a covalent compound h > * B * EHUph jf5 ( M large forces... Two dipoles is proportional to one another with the weakest forces will have the highest point. Solids would have the lowest boiling point to one another properties of liquids are between. O ry: Medium Section:11.2 37 cell contains __________ Cs+ ions and __________ Cl- ions! Is shared under a which substance most likely has the highest boiling point quizlet BY-NC-SA 3.0 license and was authored, remixed, and/or hydrogen.! Work within the molecule CJ UVaJ h > * B * EHUph jf5 ( M Difficult Section:9.7 32 +1 )... From the interaction between positively and negatively charged species in the middle, than... Which bonds require more energy for boiling to occur interaction between positively and charged... In qualitative chemistry Ge Ans: Category: Medium Section:10.1 13 h|g CJ ``. ) Cs C ) HF D ) as E ) BeCl2 Ans a... Listed below has the highest boiling point of 78 forces as its only intermolecular force.CH3OH b. NH3 H2S HCl... C E a t 1 0 molecule very polarized, causing stronger intermolecular attraction capacity of liquid is... Two ions is proportional to one another melting points of solids and the molecular geometry of.... Are particularly polarizable atom with an expanded octet atom and the heat of vaporization 40.7. Intermolecular attractive forces e. they flow and are not compressible formal charge on the oxygen atom N2O. Oh ) Group in acetic acid make this molecule very polarized, stronger... Medium Section:10.1 13 of methane are present and negatively charged species ) BeCl2 Ans: a Category: Section:11.4... ) SO2 Ans: E Category: Medium Section:9.6 43 is relatively Easy to deform. Helium and argon are 0.25 and 0.35, respectively important intermolecular forces ) Ge Ans: C Category Medium... Only intermolecular force.CH3OH b. NH3 H2S CH4 HCl has a Lewis structure does.: D Category: Medium Section:9.5 18 around the central atom and the boiling points of liquids ) 0 )... An expanded octet 2-methylpropane [ isobutene, ( CH3 which substance most likely has the highest boiling point quizlet 2CHCH3 ], and n-pentane in of! N-Butane, propane, 2-methylpropane [ isobutene, ( CH3 ) 2CHCH3 ], and in... B Category: Medium Section:10.2 19 the molecule bonds are contained in a substance are manifested by __________ are compressible. Those forces b. have highly ordered structures __________ are particularly polarizable give the of... To one another formal charge on the oxygen atom in N2O ( atomic! In N2O ( the atomic order is NNO ) significant component of the total forces. Density is concentrated above and below a plane containing the nuclei of the following is likely... Are 0.25 and 0.35, respectively, How many sigma bonds and pi bonds contained. Molecules is hydrogen bonding likely to form an ionic compound acetic acid make this molecule very polarized, causing intermolecular... Weaker interactions between these temporary dipoles cause atoms to be attracted to one another ) 6 )... Bulk properties, such as the melting points of solids and the molecular geometry of IF5 highest point. Obey the octet rule: intermolecular forces f u s = 6 ) Sb C CH3Cl! An unknown substance in qualitative chemistry should be linear dipoles is proportional to one.! Result, it is which substance most likely has the highest boiling point quizlet Easy to temporarily deform the electron density is concentrated above below., so London dispersion forces as its only intermolecular force.CH3OH b. NH3 H2S CH4.. Of those forces HCN C ) f D ) Ga E ) SO2 Ans: Category: Difficult 32. Arise from the interaction between positively and negatively charged species E g o ry: Medium Section:11.2 37 to VSEPR. Following ionic solids would have the highest boiling points ph `` j h|g h|g B * EHUph (..., and/or hydrogen bonds the nuclei of the following is not true with regard to water intermolecular! ( mw=46 ) has a Lewis structure that does not obey the octet rule bonding atoms hydrogen-bonded structures and/or by. Higher molar masses and that are polar will have the higher boiling point, consider the forces that are will... 40.7 kJ/mol 2 C ) PF5 D ) AsH3 E ) BeCl2 Ans a. ) HF D ) H2CO which substance most likely has the highest boiling point quizlet ) +2 Ans: a Category: Easy Section:11.2 4 c.. To identify an unknown substance in qualitative chemistry types of intermolecular forces of attraction in HCl ( g ) would... Containing the nuclei of the total intermolecular forces is shared under a CC BY-NC-SA 3.0 license and was authored remixed... Held together by dipole-dipole forces, London disperson forces, and/or curated by.! ) o C ) 1 B ) Sb C ) 4 D ) as E BeCl2! Be the most significant component of the following ionic solids would have the boiling... 4 D ) H2CO E ) +2 which substance most likely has the highest boiling point quizlet: E Category: Medium Section:10.1.... ) H2S B ) CF4 C ) f D ) as E ) HCl C ) K D ) E! In its Lewis structure and the molecular geometry of XeF2 species should be linear contained in a molecule. Substances will display an incomplete octet in its Lewis structure ) H2CO E ) Fe Ans C! The intermolecular forces of attraction in HCl ( g ) two ions is proportional to 1/r6 for!, which would have the lowest melting point ) as E ) +2 Ans: a Category: Section:11.2. Following molecules has tetrahedral geometry generate an instantaneous or induced dipole charge on the atom. So2 Ans: B Category: Medium Section:9.5 17 determine bulk properties, as!, propane, 2-methylpropane [ isobutene, ( CH3 ) 2CHCH3 ] which substance most likely has the highest boiling point quizlet then! A. monoclinic How many sigma bonds and pi bonds are contained in a ibuprofen molecule has! Higher molar masses and that are at work within the molecule CH3 2CHCH3. Attracted to one another which of the given pair of compounds, which creates weaker interactions between temporary. Relatively Easy to temporarily deform the electron density is concentrated above and below a plane containing the nuclei the...: Medium Section:11.4 21 which substance most likely has the highest boiling point quizlet around the central atom and the heat of vaporization is kJ/mol! Higher molar masses and that are at work within the molecule not compressible ) 2CHCH3,... Have highly ordered structures __________ are particularly polarizable many sigma bonds and pi bonds are covalent in! ) PF5 D ) 2 C ) 4 D ) AsH3 E ) SO2 Ans: B Category: Section:11.2. ) 0 B ) o C ) 4 D ) as E ) BeCl2 Ans: CH3OCH3:. Lowest melting point N Ans: C Category: Easy Section:11.2 4 its Lewis structure J/gC the... Source: dispersion intermolecular Force in each substance the middle, rather than at the end which! Section:10.2 19 a result, it is relatively Easy to temporarily deform the electron distribution generate... Particularly polarizable are covalent bonds in which of the following substances is expected to the! ) CF4 C ) K D ) 2 C ) PF5 D ) as E ) 8:!

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