Which of the following is the correct decreas | vedclass

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

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 ionic character of the metal-oxygen bond increases as the size of the metal cation increases,making the carbonate ion more stable against decomposition.The order of ionic radii is $Mg^{2+} Therefore,the thermal stability order is $MgCO_3  SrCO_3 > CaCO_3 > MgCO_3$.

Which of the following is the correct decreasing order of thermal stability of alkaline earth metal carbonates?

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