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The correct sequence of thermal stability of the following carbonates is :(1) BaCO3 < SrCO3 < CaCO3 < MgCO3 (2) MgCO3 < CaCO3 < SrCO3 < BaCO3(3) BaCO3 <CaCO3 <SrCO3 < MgCO3 (4) MgCO3 < SrCO3 < CaCO3 < BaCO3 |
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Answer» Correct option (2) MgCO3 < CaCO3 < SrCO3 < BaCO3 Explanation: In 2nd group carbonates thermal stability increases down the group due to increase in lattice energy. |
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