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The decomposition temperature is maximum...

The decomposition temperature is maximum for:-

A

`BeCO_(3)`

B

`MgCO_(3)`

C

`SrCO_(3)`

D

`BaCO_(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
Order of thermal stability :

`BeCO_(3)` is least stable (lowest decomposition temperature) due to small size of `Be^(2+)` ion which is unable to stabilize bigger `CO_(3)^(2-)` ion.
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