On heating, the following trioxocarbonate (IV) salts decompose to give solid residue except

Chemistry

WAEC 2012

A. ammonium trioxocarbonate (IV)
B. calcium trioxocarbonate (IV)
C. lead (ll) trioxocarbonate(IV)
D. zinc trioxocarbonate (IV)

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Correct Answer: Option A

Explanation

Ammonium trioxocarbonate (IV) is an unstable compound. It decomposes on heating to yield ammonia, carbon (IV) oxide and water. All of these are gases.

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On heating, the following trioxocarbonate (IV) salts decompose to give solid residue except

Correct Answer: Option A

Explanation

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