Question

For a reaction,
$N{H}_{4}CI\left(s\right)\rightleftharpoons N{H}_3\left(g\right)+HCl\left(l\right);\Delta n=2$.

• A. True
• B. False

Answer 1

The correct option is B False

For a reaction, $aA+bB\rightleftharpoons cC+dD$
$\Delta n=(c+d)-(a+b).$
where A, B, C and D are in gaseous state.
Here, $\Delta n=1$, because HCl is a liquid and $N{H}_{4}CI$ is in solid state and we have to consider only gaseous reactants or products.