Hydrocarbons Question 132

Question: Which of the following used for the conversion of 2-hexyne into trans-2-hexane [IIT JEE (Screening) 2004]

Options:

A) $ H_2/Pd/BaSO_4 $

B) $ H_2,PtO_2 $

C) $ NaBH_4 $

D) $ Li-NH_3/C_2H_5OH $

Show Answer

Answer:

Correct Answer: D

Solution:

The partial reduction of alkynes by active metal in liquid ammonia takes place through trans vinylic anion which ultimately produces trans alkene.



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