MCQ
Oxidation state of oxygen in hydrogen peroxide is
- ✓$-1$
- B$+1$
- C$0$
- D$-2$
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Statement $I$: $\mathrm{PF}_5$ and $\mathrm{BrF}_5$ both exhibit $\mathrm{sp}^3 \mathrm{~d}$ hybridisation.
Statement $II$: Both $\mathrm{SF}_6$ and $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}$ exhibit $\mathrm{sp}^3 \mathrm{~d}^2$ hybridisation.
In the light of the above statements, choose the correct answer from the options given below:
$NH_4HS(s) \rightleftharpoons NH_3 (g) + H_2S(g)$
If more $NH_4HS$ is added to the equilibrium