MCQ
Number of bonds in $S{O_2}$
- ATwo $\sigma$ and two $\pi$
- BTwo $\sigma$ and one $\pi$
- ✓Two $\sigma$, two $\pi$ and one lone pair
- DNone of these

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$NH_4HS(s) \rightleftharpoons NH_3(g)+H_2S(g)$
is following to set up at $127\,^oC$ in a closed vessel. The total pressure at equilibrium was $20\,atm$ . The $K_C$ for the reaction is