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  • Conversion of alkyne to cis-alkene can be achieved using the reagentOption: 1 <img alt="\mathrm{H_2,Lindlar's \: catalyst}" src="https://entrancecorn

Conversion of alkyne to cis-alkene can be achieved using the reagent

Option: 1

\mathrm{H_2,Lindlar's \: catalyst}


Option: 2

\mathrm{H_2 /Ni}


Option: 3

\mathrm{LiAlH_4}


Option: 4

\mathrm{Na/liq.NH_3}


Answers (1)

best_answer

As we have learnt,

Preparation of alkene from alkyne -

Alkynes on partial reduction with calculated amount of H2 in presence of Pd with charcoal give alkenes.

 \mathrm{H_2, Lindlar's\ Catalyst} when reacts with alkyne gives cis-alkene while \mathrm{Na,liq.NH_3} gives trans-alkene.

Therefore, option (1) is correct.

Posted by

Shailly goel

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