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Question: Answered & Verified by Expert
The reagent needed for converting

ChemistryHydrocarbonsJEE MainJEE Main 2014 (11 Apr Online)
Options:
  • A
    Cat. Hydrogenation
  • B
    $\mathrm{H}_2$ /Lindlar Cat.
  • C
    $\mathrm{Li} / \mathrm{NH}_3$
  • D
    $\mathrm{LiAlH}_4$
Solution:
2078 Upvotes Verified Answer
The correct answer is:
$\mathrm{Li} / \mathrm{NH}_3$
With Lithium in liquid ammonia, trans-alkene is almost an exclusive product.


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