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Beryllium oxide is heated with carbon at 1900-2000^{\circ} \mathrm{C}  to form a brick red coloured ionic complex A. A reacts with water to form an amphoteric compound B and a gas C which is main constituent of natural gas. What is A, B and C?

Option: 1

\mathrm{A}: \mathrm{BeC}_2 \quad \mathrm{~B}: \mathrm{Be}(\mathrm{OH})_2 \quad \mathrm{C}: \mathrm{CH}_4


Option: 2

A: \mathrm{Be}_2 \mathrm{C} \quad \mathrm{B}: \mathrm{Be}(\mathrm{OH})_2 \quad \mathrm{C}: \mathrm{CH}_4


Option: 3

A: \mathrm{Be}_2 \mathrm{C} \quad \mathrm{B}: \mathrm{Be}\left(\mathrm{H}_2 \mathrm{O}\right)_4 \quad \mathrm{C}: \mathrm{H}_2


Option: 4

A: \mathrm{BeC}_2 \quad \mathrm{~B}: \mathrm{Be}(\mathrm{OH})_2 \quad \mathrm{C}: \mathrm{H}_2


Answers (1)

best_answer

2 \mathrm{BeO}+2 \mathrm{C} \rightarrow \mathrm{Be}_2 \mathrm{C}+\mathrm{O}_2
\mathrm{Be}_2 \mathrm{C}+4 \mathrm{H}_2 \mathrm{O} \rightarrow 2 \mathrm{Be}(\mathrm{OH})_2+\mathrm{CH}_4

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Devendra Khairwa

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