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The following compounds have been arranged in the order of increasing thermal stabilities. Identify the correct order.
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The correct answer is:
IV < II < III < I
Carbonates of group 2 decompose to give oxides. Thermal stabilities of carbonates increase from Mg to Ba. Beryllium carbonate in unstable and is kept only in the atmosphere of .
Group 1 carbonates (and also hydroxides) except lithium do not decompose on heating. In this problem, remains unchanged on heating.
Group 1 carbonates (and also hydroxides) except lithium do not decompose on heating. In this problem, remains unchanged on heating.
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