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Q. The carbonate that will not decompose on heating is

KEAMKEAM 2007The s-Block Elements

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.