A) 22.4
B) 11.2
C) 5.7
D) 2.0
Correct Answer: D
Solution :
The density of gas \[=\frac{molecular\text{ }wt.\text{ }of\text{ }metal}{volume}\] \[=\frac{45}{22.4}\] \[=2\text{ }gm\text{ }litr{{e}^{-1}}\]
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