phase questions

phase questions - 1331 CHAPTER 11 QUESTIONS IGNORE...

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1331 – CHAPTER 11 QUESTIONS IGNORE QUESTIONS 3, 10, 37 onwards Intermolecular Forces 1. The stronger the intermolecular forces in a substance (A) the higher the boiling point. (B) the lower the boiling point. (C) the higher the vapor pressure. (D) the smaller the deviation from ideal gas behavior. 2. Which substance has the highest boiling point? (A) CH 4 (B) He (C) HF (D) Cl 2 3. Which one of these solid substances has a crystal structure containing discrete molecules? (A) dry ice (B) quartz (C) graphite (D) silver bromide 4. Which group of substances is arranged in order from the highest to the lowest melting point? (A) HF>H 2 >NaF (B) NaF>H 2 >HF (C) HF>NaF>H 2 (D) NaF>HF>H 2 5. Which has the highest boiling point? (A) Ar (B) Kr (C) Xe (D) Ne 6. Arrange KCl, NH 3 , and CH 4 in order of increasing boiling point. (A) CH 4 <KCl<NH 3 (B) NH 3 <KCl<CH 4 (C) CH 4 <NH 3 <KCl (D) NH 3 <CH 4 <KCl 7. Which has the highest molar heat of vaporization? (A) S 8 (B) H 2 O (C) Ar (D) BaF 2 8. Which of the following properties does not increase with increasing intermolecular forces (A) viscosity (B) heat of vaporization (C) melting point (D) vapor pressure 9. When liquid bromine is cooled to form a solid, which of the following types of solid would it form? A. atomic B. metallic C. molecular D ionic E. covalent network 10. Which one of the following substances does not exist in the indicated solid type? A. graphite – network covalent B. Na – metallic C. SiO 2 - molecular D. NaCl – ionic E. diamond – network covalent 11. Neon condenses due to 1
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(A) dipole-dipole forces (B) London dispersion forces (C) hydrogen bonding (D) covalent bonding 12. Which of the following molecules will not form hydrogen bonds?
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phase questions - 1331 CHAPTER 11 QUESTIONS IGNORE...

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