Metal carbonates decompose on heating to give metal oxide and carbon dioxide.Which of the metal carbonates is most stable thermally?

M g C O_{3}

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C a C O_{3}

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S r C O_{3}

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B a C O_{3}

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Solution

The correct option is D $B a C O_{3}$
In IIA group, as we move from top to bottom polarization power of cation decreases and thermal stability of metal carbonate increases. Hence, D is the correct answer.

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Similar questions

Metal carbonates decompose on heating to give metal oxide and carbon dioxide. Which of the metal Carbonates is most stable thermally?
(a) $M g C O_{3}$ (b) $C a C O_{3}$ (c) $S r C O_{3}$ (d) $B a C O_{3}$

Q. The thermal stability of alkaline earth metal carbonates–

M g C O_{3}, C a C O_{3}, S r C O_{3}

and

B a C O_{3}

, follows the order:

Which one of the alkaline earth metal carbonates is thermally the most stable?

(a) MgCO₃ (b) CaCO₃ (c) SrCO₃ (d) BaCO₃

Q. The thermal stability of alkaline earth metal carbonates-

M g C O_{3}, C a C O_{3}, S r C O_{3}

and

B a C O_{3}

, follows the order:

Q. The thermal stability of

B a C O_{3}, C a C O_{3}, S r C O_{3}

and

M g C O_{3}

decreases in the order

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Metal carbonates decompose on heating to give metal oxide and carbon dioxide.Which of the metal carbonates is most stable thermally?

The correct option is D BaCO3In IIA group, as we move from top to bottom polarization power of cation decreases and thermal stability of metal carbonate increases. Hence, D is the correct answer.

The correct option is D $B a C O_{3}$
In IIA group, as we move from top to bottom polarization power of cation decreases and thermal stability of metal carbonate increases. Hence, D is the correct answer.