See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

2 2 2 mole NaNH 1 mole NaNH 3 2 3 3 CH CH CH CH C CH CH C C Na         Br Br 3 2 CH CH Br   3 2 3 CH C C CH CH     So, total 3 moles of NaNH2 are consumed to get pentyne.