Q. Which of the following metal carbonates decomposes on heating?
A) $MgCO_{3}$
B) $Na_{2}CO_{3}$
C) $K_{2}CO_{3}$
D) $Rb_{2}CO_{3}$
Explanation
(a)
On heating, it decomposes with evolution of $CO_{2}.$
$\ \ \ \ \ \ \ \ \ \ \ MgCO_{3}\overset{\ \ \ \ \ \mathrm{\Delta}\ \ \ \ \ }{\rightarrow}\ MgO + CO_{2}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.