8.2 Organic chemistry isomerism — Chemistry STD 11 Science — Question

$H _2 O ( g ) \rightarrow H _2( g )+\frac{1}{2} O _2( g )$

The percent of water decomposing at $2300\,K$ and $1\,bar$ is $...........$ (Nearest integer).

Equilibrium constant for the reaction is $2 \times 10^{-3}$ at $2300\,K$

$A.$ $I _2( g ) \rightarrow 2 I ( g )$

$B.$ $HCl ( g ) \rightarrow H ( g )+ Cl ( g )$

$C.$ $H _2 O ( l ) \rightarrow H _2 O ( g )$

$D.$ $C ( s )+ O _2( g ) \rightarrow CO _2( g )$

$E.$ Dissolution of ammonium chloride in water