a. Oil
Multiple Choice: Choose the letter of the best answer. Write the chosen letter before the number.
1. Which of the following IMFAs is considered as the weakest?
a. H-bonding
b. Ion-dipole c. Dipole-dipole
d. London forces
2. The boiling point of water is greater than dihydrogen sulfide because of
a. Dipole-dipole bond b. H-bonding c. London dispersion
d. Ion-dipole
3. Which of the following substances will dissolve most likely in water?
c. Vinegar (CH3COOH)
b. Carbon tetrachloride (CC14)
d. Hexane (C6H14)
4. Which of the following molecules has high melting point?
a. CHC13
b. CC14
c. BC13
d. BeC12
5. refers to the energy required to increase the surface area by a unit amount.
a. Viscosity
b. Surface tension c. Vapor pressure
d. Density
6. Which of the following statements is TRUE about nonpolar molecules?
a. Have high boiling point
c. Have low surface tension
b. Have high melting point
d. Have low vapor pressure
7. Which of the following substances is miscible in hexane (C6H14)?
a. Acetone (C3H60)
c. Chloroform (CHC13)
b. Vinegar (CH3COOH)
d. Methanol (CH3OH)
8. The following are intermolecular forces of attraction EXCEPT:
a. H-bond
b. Dipole-dipole c. Covalent bond
d. London forces
9. Which of the following properties has indirect relationship with the strength of IMFA?
a. Boiling point b. Melting point c. Surface tension
d. Vapor pressure
10. In which of the following solvents would molecular iodine (12) be most soluble?
a. Vinegar
b. Water
c. Ethyl alcohol
d. Carbon tetrachloride​