Question

How are cis-alkenes formed from alkynes? Give examples?​

Answer 1

Answer:

Lindlar's Catalyst transforms an alkyne to a cis-alkene because the hydrogenation reaction is occurring on the surface of the metal. Both hydrogen atoms are added to the same side of the alkyne as shown in the syn-addition mechanism for hydrogenation of alkenes in the previous chapter

Answer 2

$\huge\fcolorbox{black}{lavender}{ANSWER:-}$

Lindlar's Catalyst transforms an alkyne to a cis-alkene because the hydrogenation reaction is occurring on the surface of the metal. Both hydrogen atoms are added to the same side of the alkyne as shown in the syn-addition mechanism for hydrogenation of alkenes in the previous chapter.

Explanation:

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