Which of the following cannot decompose on heating to give CO2 ?
A
Li2CO3
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B
Na2CO3
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C
KHCO3
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D
BaCO3
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Solution
The correct option is ANa2CO3 Anhydrous sodium carbonate is stable to heat and does not decompose even when it is heated to redness. This is because sodium carbonate salt on heating with acids react to release carbon dioxide.