Question
Chemistry Question on GROUP 2 ELEMENTS
The decomposition temperature is the lowest for
A
BeCO3
B
MgCO3
C
SrCO3
D
BaCO3
Answer
BeCO3
Explanation
Solution
The thermal stability of alkaline earth metal carbonates increases down the group. Hence, decomposition temperature is lowest for BeCo3.
$\underset{523, K }{ BeCo _{3}}