MCQ
$\mathrm{SnCl}_2$ is good:
- ✓Reducing agent.
- BOxidising agent.
- CBleaching agent.
- DDehydrating agent.
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${H_2}(g) + {I_2}(g) \rightleftharpoons 2HI(g)$
is $32$ at a given temperature. The equilibrium concentrations of $I_2$ and $HI$ are $0.5 \times 10^{-3}\, M$ and $8 \times 10^{-3}\, M$ respectively. the equilibrium concentration of $H_2$ is