The order of thermal stability of carbonates | vedclass

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Question

(A) The thermal stability of alkaline earth metal carbonates increases as we move down the group from $Be$ to $Ba$. This is because the electropositiv

Vedclass · Accepted Answer

$BaCO_3 > SrCO_3 > CaCO_3 > MgCO_3$

Vedclass · Answer

(A) The thermal stability of alkaline earth metal carbonates increases as we move down the group from $Be$ to $Ba$. This is because the electropositive character of the metal increases down the group,which leads to a stronger ionic bond between the metal cation and the carbonate anion. Therefore,the order of thermal stability is $MgCO_3  SrCO_3 > CaCO_3 > MgCO_3$.

The order of thermal stability of carbonates of $IIA$ group is

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