GKFix MCQ Question

Which of the following statements about the reduction of alkynes is correct?

• A. Lindlar's catalyst gives cis alkenes, Na in liquid NH3 gives trans alkenes.
• B. Lindlar's catalyst gives trans alkenes, Na in liquid NH3 gives cis alkenes.
• C. Both methods give a mixture of cis and trans alkenes.
• D. Both methods give alkanes.