Better method for preparation of BeF2 among the following is (A) BeH2 + F2 BeF2 (B) (NH4)2 BeF4 BeF4 — JEE Mains Chemistry Past Papers Chemistry Question
Question
Better method for preparation of BeF2 among the following is (A) BeH2 + F2 BeF2 (B) (NH4)2 BeF4 BeF4 (C) BeO + C + F2 BeF2 (D) Be + F2 BeF2
Answer: B
💡 Solution & Explanation
Thermal decomposition of (NH4)2BeF4 is the best route for the preparation of BeF2 (NH4)2 BeF4 (NH4)2 BeF4 2NH4F + BeF2 | JEE(Main) 2023 | DATE : 13-04-2023 (SHIFT-2) | PAPER-1 | CHEMISTRY PAGE # 3
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