Some Basic Concepts Of Chemistry Question 208
Question: The molecular weight of a gas is 45. Its density at STP is [Pb. PMT 2004]
Options:
A) 22.4
B) 11.2
C) 5.7
D) 2.0
Show Answer
Answer:
Correct Answer: D
Solution:
The density of gas $ =\frac{\text{molecular wt}\text{. of metal}}{volume} $
$ =\frac{45}{22.4}=2,gm,litr{e^{-1}} $
