Reactant A gives product B or C
The possible reagents are:
(I) $2 Na / liq . {NH}_{3}$
$(II) H_{2} / Pd / {CaCO}_{3} (quinoline)$
$(III) 2 H_{2} / Pd / C$
The correct statement with respect to the above conversion is/are:

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C is obtained on treatment with reagent (I)

C and B are obtained on treatment with reagent (II)

C is obtained on treatment with reagent (II)

B is obtained on treatment with reagent (I)

answer is C.

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Detailed Solution

Reagent (I) gives trans product. Reagents (II) and (III) give cis-product. The reagent I is called as Birch reagent and the intermediate is di anion and it is stable in trans form.

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