See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

B H H B H H H H Maximum 4 – H atoms lie in a plane. Maximum 6 – atoms (4H + 2B) lie in a plane. Bridge (B – H) is stronger than terminal (B – H) Terminal (H – B – H) bond angle > Bridge (H – B – H) bond angle. SECTION – B