MEDIUMMCQ SINGLENEET ChemistryInorganic Chemistrys- Block 3.0Previous Year Questions
Among the following, the least thermally stable is (J & K CET 2009)
A.K₂CO₃
B.Na₂CO₃
C.BaCO₃
D.Li₂CO₃✓ Correct
Explanation
The thermal stability of metal carbonates depends on the reactivity of metal and size of the cation. As the size of the cation decreases the thermal stability of metal carbonate decreases. Therefore, lithium carbonate will decompose easily on heating and it is least thermally stable given.
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