PHYSICS......

1. What is the intermolecular force present in all substances regardless of polarity? a. dipole-dipole interaction c. hydrogen bonding b. ion-dipole interaction d. dispersion force 2. Which of the following has the strongest intermolecular force? a. ion-dipole interaction c. dipole-dipole interaction b. hydrogen bonding d. dispersion force 3. What is the intermolecular force present in CHF, molecule? a. ion-dipole interaction c. dipole-dipole interaction b. dispersion forces d. hydrogen bonding Which of the following molecules exhibits hydrogen bonding? a. Cla C. NaCI b. HF d. HCI 5. What is the intermolecular force that holds liquid N2 together? a. hydrogen bonding c. ion-dipole interaction b. ionic bonding d. dispersion force UnIn UUIlumy d. dispersion force 6. Which set of molecules is in order from weakest to strongest intermolecular attractions? a. Brz Iz, Cl2 C. Iz Cla Brz b. Iz Clz, Brz d. Clz, Bra Iz 7. What is the intermolecular force that acts between ion and polar molecules? a. hydrogen bonding c. dipole-dipole interaction b. dispersion force d. ion-dipole interaction 8. Which atom would not participate in hydrogen bonding? a. C C. N b. F d. O 9. What is the intermolecular force that acts between molecules due to the attraction of temporary dipoles and their induced temporary dipoles? a. ion-dipole interaction c. dispersion force b. hydrogen bonding d. ionic bonding 10. What is the boiling point of SiOz (quartz) molecule? a. 3,500 C c. 1,710"C b. 2,230 C d. 500*C 11. Which of the following molecules has the weakest intermolecular force? a. CHA C. C3Hs b. C2H6 d. CH3F 12. If HyO (water) and CO2 (carbon dioxide) molecules interacted, what is the intermolecu force present between these molecules? a. dipole-dipole interaction c. ion-dipole interaction b. hydrogen bonding d. dispersion force 13. Arrange the following hydrocarbons from highest to lowest boiling point. i.C3Hs ii. CHA iii. C7H16 iv. CsH12 a. i, ii, iii, iv c. iii, iv, i, ii b. ii, i, iv, ini d. iv, ii, ini, i 14. In aqueous solution, a chloride ion is attracted to which end of water molecule? a. The hydrogen end, which is the positive pole. b. The oxygen end, which is the positive pole. The hydrogen end, which is the negative pole. 15. Compared to the boiling point of H2S, the boiling point of H2O is relatively high. Which type of bonding causes this difference? a. hydrogen bonding c. covalent bonding b. ionic bonding d. dispersion force