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The thermal stability of alkaline earth ...

The thermal stability of alkaline earth metal carbonates `-MgCO_(3),CaCO_(3), SrCO_(3) " and " BaCO_(3)`, follows order

A

`BaCO_(3) gt SeCO_(3) gt CaCO_(3) gt MgCO_(3)`

B

`CaCO_(3) gt SrCO_(3) gt BaCO_(3) gt MgCO_(3)`

C

`MgCO_(3) gt CaCO_(3) gt SrCO_(3) gt BaCO_(3)`

D

`SrCO_(3) gt CaCO_(3) gt MgCO_(3) gt BaCO_(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
Thermal stability of polyvalent anion salt like `CO_(3)^(2-)` increase down the group due to increase in ionic character
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