A) \[CaC{{O}_{3}}\]
B) \[N{{a}_{2}}C{{O}_{3}}\]
C) \[MgC{{O}_{3}}\]
D) \[SrC{{O}_{3}}\]
Correct Answer: B
Solution :
Sodium carbonate and potassium carbonate do not decompose. Generally when carbonates are heated, they get decomposes to form the oxide. The carbonate become more difficult to decomposes as we go down the first group.
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