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On heating lithium carbonate decomposes in order to evolve the ____________

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in Chemistry – Class 11 by (148k points)
On heating lithium carbonate decomposes in order to evolve the ____________

(a) nitrogen

(b) oxygen

(c) carbon dioxide

(d) lithium

This question was addressed to me in class test.

The query is from s-Block Elements topic in chapter s-Block Elements of Chemistry – Class 11

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Best answer
Correct option is (c) carbon dioxide

The best explanation: Lithium carbonate decomposes on heating in order to avoid carbon dioxide whereas other alkali metal carbonates do not evolve carbon dioxide, this occurs because lithium carbonate is unstable in the presence of heat and is the least stable among the carbonates of alkali metals.

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