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}} $



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