Question

For which of the following reactions, the degree of dissociation cannot be calculated from the vapour density data.
I. `2HI_((g))hArrH_(2(g))+I_(2(g))`
II. `2NH_(3(g))hArrN_(2(g))+3H_(2(g))`
III. `2NO_((g))hArrN_(2(g))+O_(2(g))`
IV. `PCl_(5(g))hArr PCl_(3(g))+Cl_(2(g))`
A. I and III
B. III and IV
C. I and II
D. II and III

Answer 1

Correct Answer - A