NEETChemistryHydrocarbons
What is the primary difference between alkynes reduced with Lindlar's catalyst and alkynes reduced with sodium in liquid ammonia?
Options
- ALindlar's catalyst yields cis alkenes, while sodium in liquid ammonia yields trans alkenes.
- BLindlar's catalyst yields trans alkenes, while sodium in liquid ammonia yields cis alkenes.
- CLindlar's catalyst yields alkanes, while sodium in liquid ammonia yields alkenes.
- DLindlar's catalyst yields alkenes, while sodium in liquid ammonia yields alkynes.
Correct answer
A. Lindlar's catalyst yields cis alkenes, while sodium in liquid ammonia yields trans alkenes.
Step-by-step solution
The primary difference is the geometry of the alkenes produced; Lindlar's catalyst produces cis alkenes, while sodium in liquid ammonia produces trans alkenes.