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.