Question

Which of the following alkyne on catalytic hydrogenation does not give 3-ethylhexane?

• A.
• B.
• C.
• D. All will give 3-ethylhexane on catalytic hydrogenation

Answer 1

The correct option is B

Catalytic hydrogenation of (a) :

Catalytic hydrogenation of (b) :


Catalytic hydrogenation of (c) :

$\therefore$ except (b) , both (a) and (c) gives 3-ethylhexane as a product of catalytic hydrogenation.
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