Question

Which of the following metal carbonate is/are thermally stable ?

• A. Na2CO3
• B. MgCO3
• C. K2CO3
• D. Rb2CO3

Answer 1

Answer: (A)

Na2CO3

Answer 2

MgCO3 $\longrightarrow$MgO + CO2

Alkali metal carbonates except Li2CO3 are thermally stable.