Choose the correct set of reagents for the following conversion. trans $\left(\mathrm{Ph}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_{3}\right) \rightarrow \operatorname{cis}\left(\mathrm{Ph}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_{3}\right)$

Question

Choose the correct set of reagents for the following conversion.

trans $\left(\mathrm{Ph}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_{3}\right) \rightarrow \operatorname{cis}\left(\mathrm{Ph}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_{3}\right)$

$\mathrm{Br_2,alc\cdot KOH,NaNH_2,H_2}$ Lindlar Catalyst

$\mathrm{Br_2,aq\cdot KOH,NaNH_2,Na}$ (Liq NH$_3$)

$\mathrm{Br_2,alc\cdot KOH,NaNH_2,Na}$ (Liq NH$_3$)

$\mathrm{Br_2,aq\cdot KOH,NaNH_2,H_2}$ Lindlar Catalyst

Solution

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