MCQ
To carry out above conversion reagent used in decreasing order.


- A$Na/ liq. NH_3 , CHBr_3 /NaOH (\Delta)$
- ✓$H_2 /Pd - CaCO_3, CHBr_3 /NaOH (\Delta)$
- C$Na/liq. NH_3 ,CHCl_3 /NaOH$
- D$H_2 /Pd- CaCO_3, CHCl_3 /NaOH$


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Given that
Salt || $K_{sp}$
$AgCl$ || $2 \times {10^{ - 10}}$
$AgBr$ || $5 \times {10^{ - 13}}$
$Ag$ || $9 \times {10^{ - 17}}$
Given : $\frac{2.303 RT }{ F }=0.059\,V$
${H_3}C - C \equiv CH\,\xrightarrow[{HgS{O_4}}]{{{H_2}O,\,{H_2}S{O_4}}}\,\mathop {Intermediate}\limits_{(A)} \,$$ \to \,\mathop {\Pr oduct}\limits_{(B)} $