QJEEM23Cheb7b: JEE Main 2023 Chemistry - Class 11 JEEM23Cheb7b Solution: Reaction of BeO with ammonia and hydrogen fluoride gives A…

Question

Verified Solution • 2025–26 Session moderate

Reaction of BeO with ammonia and hydrogen fluoride gives A which on thermal decomposition gives $\mathrm{BeF_2}$ and $\mathrm{NH_4F}$ . What is 'A'?

Accepted Answer

\mathrm{BeO}+\mathrm{NH}_{3}+\mathrm{HF} \longrightarrow\left(\mathrm{NH}_{4}\right)_{2} \underset{(\mathrm{A})}{\mathrm{BeF}_{4}} \stackrel{\Delta}{\longrightarrow} \mathrm{BeF}_{2}+\mathrm{NH}_{4} \mathrm{~F}

Compound

\mathrm{A}

is

\left(\mathrm{NH}_{4}\right)_{2} \mathrm{BeF}_{4}

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