Which of the following metal carbonate is decomposed on heat... | CHEMISTRY - ANOMALOUS BEHAVIOUR OF BERYLLIUM | SolveeIt | Solveeit

Today, August 18

Question

Which of the following metal carbonate is decomposed on heating.

A

$MgCO_{3}$

B

$Na_{2}CO_{3}$

C

$K_{2}CO_{3}$

D

$Rb_{2}CO_{3}$

Answer

$MgCO_{3}$

Explanation

Solution

$MgCO_{3}\overset{\quad\text{Heat}\quad}{\rightarrow}MgO + CO_{2}$

The metal whose oxide is stable, it's carbonate is unstable.