MCQ
Sulphur on boiling with $NaOH$ solution gives
- A$N{a_2}{S_2}{O_3} + NaHS{O_3}$
- ✓$N{a_2}{S_2}{O_3} + N{a_2}S$
- C$N{a_2}S{O_3}$$ + {H_2}S$
- D$N{a_2}S{O_3} + S{O_2}$
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$SO _{2} Cl _{2}+2 H _{2} O \rightarrow H _{2} SO _{4}+2 HCl$ $16\,moles$ of $NaOH$ is required for the complete neutralisation of the resultant acidic mixture. The number of moles of $SO _{2} Cl _{2}$ used is.
$C{H_3} - C{H_2} - Br\xrightarrow{{{\text{alc}}{\text{.KCN}}}}$ $C{H_3}C{H_2}CN$$\xrightarrow{{{\text{HOH}}}}X$

$2{X_2}\left( s \right) + 3{Y^{ + 2}}\left( {aq} \right) \to 2X_2^{3 + }\left( {aq} \right) + 3Y\left( s \right)$