
- ✓$(i),\,(iii)$
- B$(i),\,(ii),\,(iii)$
- C$(i)$ only
- D$(iii),\, (ii)$

$log\frac {a}{a-x}=\frac {kt}{2.303}$
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$A\,and\,C\,\xrightarrow{{{\text{Diazotization}}}}\,P + Q\,\xrightarrow[{(ii)\,oxidation\,\left( {KMn{O_4} + {H^ + }} \right)}]{{{\text{(i) Hydrolysis}}}}$$\begin{array}{*{20}{c}} {R\left( {product\,of\,A} \right)} \\ { + \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ {s\,\left( {prosuct\,of\,C} \right)} \end{array}$
$R - C \equiv C - R\xrightarrow{{Pd/BaS{O_4}}}A$
$R - C \equiv C - R\xrightarrow{{Na/Liq.\,NH_3}}B$
$C{u^{2 + }}_{{\text{(aq)}}}\, + \,\,{e^ - }\, \to \,C{u^ + }_{{\text{(aq)}}}$
and $C{u^+}_{{\text{(aq)}}}\, + \,\,{e^ - }\, \to \,C{u }_{{\text{(s)}}}$
are $+0.15\,V$ and $+0.50\,V$ respectively. The value of will be ............ $\mathrm{V}$