MCQ
Isomers of propionic acid are
- A$HCOO{C_2}{H_5}$ and $C{H_3}COOC{H_3}$
- ✓$HCOO{C_2}{H_5}$ and ${C_3}{H_7}COOC{H_3}$
- C$C{H_3}COOC{H_3}$ and ${C_3}{H_7}OH$
- D${C_3}{H_7}OH$and $C{H_3}COC{H_3}$

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$N_2 + 3H_2 \rightleftharpoons 2NH_3 \,;$ $K_1$
$N_2 + O_2 \rightleftharpoons 2NO\,;$ $K_2$
$H_2 + 2 O_2 \rightleftharpoons H_2O\,;$ $K_3$
The equilibrium constant $(K)$ of the reaction :
$2NH_3 + \frac{5}{2} \overset K \leftrightarrows 2NO + 3H_2O$