Which of the following gases always show positive deviation from ideal behaviour with increase in pressure ?

Options

A. `NH_(3)`
B. `CO_(2)`
C. `H_(2)`
D. CO

Answer

C

Explanation

`(r_(A))/(r_(B))=(1)/(2)=sqrt(M_(WB)/(M_(WB)))" "rArr" " (M_(WA))/(M_(WB))=(4)/(1)`