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QJEEM22Ch1938: JEE Main 2022 Chemistry - Class 11 JEEM22Ch1938 Solution: BeO reacts with HF in presence of ammonia to give [A] which on…

BeO reacts with HF in presence of ammonia to give [A] which on thermal decomposition produces [B] and ammonium fluoride. Oxidation state of Be in [A] is ____________.

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BeO+2NH3+4HF⟶(NH4)2[BeF4] (A) 

(NH4)2(BeF4)⟶ Heating BeF2 (B) +2NH4 F

Oxidation State of Be in (A)(A) is (+2)(+2)

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