The carbonate of lithium decomposes on heating unlike other alkali metal carbonates. This is due to:
Solution
Li⁺ has high polarization power due to small size and high charge density, making Li₂CO₃ unstable to heat (unlike Na₂CO₃, K₂CO₃).
About this question
Subject: Chemistry · Chapter: s-Block Elements · Topic: Alkali Metals
This question is part of PrepWiser's free JEE Main question bank. 12 more solved questions on s-Block Elements are available — start with the harder ones if your accuracy is >70%.