MCQ-41
Unit of gas constant “R” at STP
A. 8.314 atm dm³ K-1 mol-1
B. 0.0821 atm dm³ mol-1K-1
C. 62400 atm dm³ K-1
D. 1.989 J K-1mol-1
Answer: B
MCQ – 42
Considering initial volume V if pressure is increased by two and temperature is reduced by two then the volume would become
A. V/4
B. V/2
C. 4V
D. 2V
Answer: A
MCQ – 43
Which one is the correct relationship
A. m= PVM/ RT
B. M= PTd/R
C. m=RT/ MPV
D. d= RTm/ P
Answer: A
MCQ 44
Gases show non-ideal behaviour at
A. Low pressure, low temperature
B. High pressure, low temperature
C. Low pressure, high temperature
D. High pressure, high temperate
Answer: B
MCQ – 45
Lattice energy is maximum for
A. NaCl
B. LiCl
C. KCI
D. CsCl
Answer: B