On heating which of the following release CO_(2) most easily ?

1.	On heating which of the following release CO_(2) most easily ?
Answer» `Na_(2)CO_(3)` `MgCO_(3)` `CaCO_(3)` `K_(2)CO_(3)` Solution :Alkali metal carbonates (except `Li_(2)CO_(3)`) are more stable than ALKALINE metal carbonates . Among alkaline earth metal carbonates , thermal stability increases down the group . Thus , `MgCO_(3)` decomposes most easily .

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