8. Which is the weakest type of intermolecular force? A. dipole-dipole C. ion-dipole B. hydrogen bonding D. London dipersion force 9. Which of the following intermolecular forces must be overcome to sublime iodine ? A. dipole-dipole n B. hydrogen bonding C. ion-dipole D. London dipersion force rue abscc broA Tewane 10. Considering the intermolecular forces in pure substances, which of these will exist as a gas at 25°C and 1 atm? C. CH;CH2CH2CH3 A. Br2 B. CH;OH D. CH,CH2OCH2CH3 nsq wnb 1a 200101 ovitonins os 11. Which of the following compound s is expected to form hydrogen bonds? В. СН,ОН p or gmib D. CH;OCH;m zbiloz 2oloineq ni A. Br2 C. CH4 r l A 12. Water is different from other substances because ol bns sloqib-ologid o colugsicA. It is denser as a gas than a liquid B. It is denser as a solid than as a liquid C. It is less dense as a solid than as a gas o sqyr leia H-1 10 H-M H-0 s rinis HAquoBeu poug e a ealupel D. It is less dense as a solid than as a liquid cempa CHENIRISA 13. Why is the boiling point of methane (CH,) much lower than the hydrogen fluoride (HF) ? Because A. CH is more polar B. of hydrogen bonding in HF C. of ion-dipole interactions in HF D. of dipole-dipole interaction in CH4 T00TIO s ot abnoqeonoo onel ori o20or o wwww.by tor ons 2slohsq od ud omulov bs eeqsde bot oved abiloe oo boxn overd ebiloe omo bsdinb ai biloe lo sqvtiedWanateg onioos sluget ebilo2 onl abilo2 euodgiomA 14. Which statement is true about water? A. It exhibits hydrogen bonding B. It dissolves nonpolar compounds C. Its solid phase is denser than its liquid phase RT et einemste uiwollot or lo doulW D. A, B& C mbnoqsb aotsra mostlib orlt to lie n aixo-o sonstedua AA 15. Which of the following phases of water exist at its triple point? ne0 90 due A A. gas and liquid B. liquid and solid C. gas, liquid, and solid D. liquid, solid and supercritical liquid ib odt lo le ni teixo ruo omt tedua A D e gobo oi 3o l ni taive Jons Dy 2mparsuce cauuor Ot gic quic ST9X bifoe so woilot of sieM ebilo2 oille abilo2 auodqromA C ebiloa Sbelooo nertw eslupslom 1stow or qg bslioxe so0od asluoolom belom noeoq ni boxit omopod eoluoslorm w od si i elua01 1otel bas eolomag lo sedo olilm lo qu obam 2t abiloe lo og W2 abilo2 aluooloMO ebilo2 oilietoM C B COAIGU20ge biupil al com Torbons ono 1gbe eh biloe CYB D B O0 Swoft fon ob bile ob yw bupil sia by B Bns or e oL e