Which hydride among the following is less stable? (A) HF (B) BeH2 (C) NH3 (D) LiH — JEE Mains Chemistry Past Papers Chemistry Question

💡 Solution & Explanation

BeH2 exist in Polymeric form (BeH2)n and Polymerisation occurs through Banana bonding (BeH2)n 3c – 2e– sp3–s–sp3 Non planar H Be H Be H H Be All bonds except the extreme ends are 3C – 2e– bonds.