MCQ
The vapour density of completely dissociated $N{H_4}Cl$ would be
- ASlight less than half that of $N{H_4}Cl$
- ✓Half that of $N{H_4}Cl$
- CDouble that of $N{H_4}Cl$
- DDetermined by the amount of solid $N{H_4}Cl$ in the experiment
$N{H_4}Cl$ $\rightleftharpoons$ $N{H_3} + HCl$
$\therefore \alpha = 1$ $\therefore$ Experimental Molecular wt $=$ $\frac{{{\rm{nor}}{\rm{.mol}}{\rm{.wt}}{\rm{.}}}}{2}$
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$X \rightleftharpoons Y + Z$ $...(i)$
$A \rightleftharpoons 2B$ $...(ii)$
are in the ratio $9 : 1.$ If degree of dissociation of $X$ and $A$ be equal, then total pressure at equilibrium $(i)$ and $(ii)$ are in the ratio