Exam Prep for Organic Chemistry | Channels for Pearson+

Skip to main content

My Courses

AI Tools Channels Home

Hydrogenation of Alkynes

9. Alkenes and Alkynes / Hydrogenation of Alkynes / Problem 4

The hydrogenation reaction of an alkyne using the Lindlar catalyst always gives a cis-alkene. Explain why.

A

Because the hydrogens are added to different faces of the alkyne.

B

Because both hydrogens are added to the same face of the alkyne in a concerted manner.

C

Because of the higher stability of the cis alkene.

D

None of these.

Learn this concept