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Hydrocarbons: RE-NEET 2026

Medium· Chemical Reaction of Alkynes (Reduction by Lindlar's Catalyst)· +4 / −1

Consider the following reaction sequences and choose the correct option. Scheme:

\mathrm{Ph{-}C{\equiv}C{-}Me}

is treated with

\mathrm{Na/liq.\ NH_3}

to give L, and with

\mathrm{H_2, Pd/C}

(Lindlar's catalyst) to give K. L is treated with

\mathrm{HBr}

in the presence of benzoyl peroxide to give N, and K is treated with

\mathrm{HBr}

to give M. Question diagram

Question diagram

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