A) \[N{{a}_{2}}C{{O}_{3}}\]
B) \[CaC{{O}_{3}}\]
C) \[BaC{{O}_{3}}\]
D) \[SrC{{O}_{3}}\]
E) \[L{{i}_{2}}C{{O}_{3}}\]
Correct Answer: A
Solution :
\[N{{a}_{2}}C{{O}_{3}}\]will not decompose on heating. All alkali metal (IA group) carbonates (except\[L{{i}_{2}}C{{O}_{3}}\]) are highly stable and not decomposes on heating. Carbonates of alkaline earth metal (II A group) decompose into\[C{{O}_{2}}\]and metal oxide.
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