Which one is the most stable carbonate? *(a) BaCO3(b) MgCO3(c) CaCO3(d

1.	Which one is the most stable carbonate? *(a) BaCO3(b) MgCO3(c) CaCO3(d) BeCO3
Answer» (a)BaCO3 BaCO3 is more thermally stable because POLARISING POWER of Ba2+ is less than other alkaline EARTH metals and thermal stability is INVERSELY PROPORTIONAL to polarising power of action when compound containing polyatomic anion and here carbonate is polyatomic anion.

Which one is the most stable carbonate? *(a) BaCO3(b) MgCO3(c) CaCO3(d) BeCO3

Answer»

(a)BaCO3

BaCO3 is more thermally stable because POLARISING POWER of Ba2+ is less than other alkaline EARTH metals and thermal stability is INVERSELY PROPORTIONAL to polarising power of action when compound containing polyatomic anion and here carbonate is polyatomic anion.

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Which one is the most stable carbonate? *(a) BaCO3(b) MgCO3(c) CaCO3(d) BeCO3

(a)BaCO3

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