Question

Assertion (A) : Beryllium carbonate is kept in the atmosphere of carbon dioxide .

Reason (R) : Beryllium carbonate is unstable and decomposes to give beryllium oxide and carbon dioxide .​

Answer 1

Answer:

both reason and assertion is true and reason is correct explanation of assertion

Answer 2

Answer:

Assertion (A) Beryllium carbonate is kept in the atomsphere of carbon dioxide. Reason (R) Beryllium carbonate is unstable and decomposes to given beryllium oxide and carbon dioxide. Solution : BeO is more stable than BeCO3 due to small size and high polarising power of Be2+.