KVPY SX SB Exam 2012 Question Paper

Question : 101 of 120

Marks: +1, -0

CHEMISTRY

The final major product obtained in the following sequence of reactions is

Solution:

\phC ≡ \CH {–––––––– ▶}↖{\NaNH_2\/\NH_3}

\phC≡\C^{-} {–––––––– ▶}↖{\CH_3\I}

\phC ≡ \C-\CH_3{–––––––– ▶}↖{\H_2 .\Pd\/\C}

\phCH=\CH-\CH_3

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