Which one of the following alkaline earth metal carbonates is thermall

1.	Which one of the following alkaline earth metal carbonates is thermally the most stable ?
Answer» `MgCO_(3)` `CaCO_(3)` `SrCO_(3)` `BaCO_(3)` Solution :As the electropositive character of the metal increases or the BASICITY of their hydroxides increases down the group, their thermal stability increases . THUS , `BaCO_(3)` is the most stable and HENCE option (d) is CORRECT .

Discussion