The reagent needed for converting Ph - C -= C - Ph to (##DSH_NTA_JEE_M – InterviewSolution

1.	The reagent needed for converting Ph - C -= C - Ph to (##DSH_NTA_JEE_MN_CHE_C13_E01_014_Q01.png" width="80%"> is :
Answer» Cat . Hydrogenation `H_(2)`/Lindlar Cat . Li/`NH_(3)` `LiAlH_(4)` Solution :With Lithium in liquidammonia , trans - alkeneis almostan exclusiveproduct . `Ph - C -= C - Ph overset ("Li in liq" .NH_(3)) underset ("Birch REDUCTION") to(##DSH_NTA_JEE_MN_CHE_C13_E01_014_S01.png" WIDTH="80%">

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