Which of the following reactions are correct? (Ignore balancing of the reactions)
$(I)$ $Al + NaOH \xrightarrow{\Delta} NaAlO_2 + H_2$
$(II)$ $P_4 + NaOH + H_2O \to NaH_2PO_2 + PH_3$
$(III)$ $S + NaOH \to Na_2S_2O_3 + Na_2S + H_2O$

  • A
    $I$ only
  • B
    $III$ only
  • C
    $II$ and $III$
  • D
    $I, II$ and $III$

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List-$I$ (Type of reaction)List-$II$ (Unbalanced equation)
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$B$. Decomposition reaction$(ii)$ $Cl_2 \longrightarrow Cl^- + ClO_3^-$
$C$. Disproportionation reaction$(iii)$ $Mg + N_2 \longrightarrow Mg_3N_2$
$D$. Displacement reaction$(iv)$ $KClO_3 \xrightarrow{\Delta} KCl + O_2$

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