NMDCAT Chapter 3

NMDCAT Preparation Chemistry Chapter # 3

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

Detailed answer

MCQ- 12
Minimum value of lattice energy is for
A. NaBr
B. NaCl
C. NaF
D. NaI

Answer: D

Detailed answer

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

Detailed answer

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

Detailed answer

MCQ-15
Crystal formed due to London dispersion forces
A. Ionic
B. Covalent
C. Molecular
D. Metallic

Answer: C

Detailed answer

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