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Question

Chemistry Question on GROUP 2 ELEMENTS

The decomposition temperature is the lowest for

A

BeCO3 BeCO_{3}

B

MgCO3 MgCO_{3}

C

SrCO3 SrCO_{3}

D

BaCO3 BaCO_{3}

Answer

BeCO3 BeCO_{3}

Explanation

Solution

The thermal stability of alkaline earth metal carbonates increases down the group. Hence, decomposition temperature is lowest for BeCo3Be Co _{3}.
$\underset{523, K }{ BeCo _{3}}