Among the carbonates of alkali metals which one has highest thermal stability?

CHEMISTRY · Single correct · A Level · Chemistry · Group 2 elements (alkaline earth metals) · Group 2 elements (alkaline earth metals)

Problem

Among the carbonates of alkali metals which one has highest thermal stability? (1)

\text{Cs}_2\text{CO}_3

(2)

\text{Rb}_2\text{CO}_3

(3)

\text{K}_2\text{CO}_3

(4)

\text{Na}_2\text{CO}_3