Question Detail
Question
Which one of the following is not a metal catalyst for the hydrogenation of an alkene?
Correct Answer
Option C is the correct answer.
Detailed Explanation
Sodium (Na) is not a hydrogenation catalyst. Palladium (Pd), platinum (Pt), and nickel (Ni) are commonly used metal catalysts for catalytic hydrogenation of alkenes and alkynes.
Hint
Which metal is a reducing agent but not a hydrogenation catalyst?