MCQ- 11
The lattice energy of ionic compounds
A. Decreases with increase in the size of cation-
B. Increases with increase in the size of cation
C. Increases with increase in the size of either cation or anion
D. Both “a” and “b”
Answer: A
MCQ- 12
Minimum value of lattice energy is for
A. NaBr
B. NaCl
C. NaF
D. NaI
Answer: D
MCQ-13
When the temperature of 1 mole of an ideal gas increases from 27°C to 627°C, then kinetic energy increases by
A. 2-times
B. 3-times
C. 4-times
D. 6-times
Answer: B
MCQ- 14
The boiling point of a liquid is
A. Low at higher altitude
B. Inversely proportional to vapor pressure
C. Maximum at sea level
D. All of these
Answer: D
MCQ-15
Crystal formed due to London dispersion forces
A. Ionic
B. Covalent
C. Molecular
D. Metallic
Answer: C