Which of the following has lowest thermal stability? | CHEMISTRY - GENERAL CHARACTERISTICS OF THE COMPOUNDS OF THE ALKALI METALS | SolveeIt

Which of the following has lowest thermal stability?

$Li_{2}CO_{3}$

$Na_{2}CO_{3}$

$K_{2}CO_{3}$

$Rb_{2}CO_{3}$

Answer

$Li_{2}CO_{3}$

Explanation

: $Li_{2}CO_{3}$ is least stable and decomposes on heating

unlike other alkali metal carbonates.

$Li_{2}CO_{3} \rightarrow Li_{2}O + CO_{2}$

Question: Which of the following has lowest thermal stability?...