Write chemical equation to represent the most probable outcome in the following reaction and choose the correct option.

$C d C O_{3} Δ \to$

C d C O_{3} Δ \to C d O + C O_{2}

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2 C d C O_{3} Δ \to 2 C d O + 2 C O + O_{2}

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No reaction

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None of these

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Solution

The correct option is A $C d C O_{3} Δ \to C d O + C O_{2}$
$C d C O_{3}$ undergoes thermal decomposition on heating to produce $C d O$ and $C O_{2}$ . $C O$ is not produced during this reaction.

$C d C O_{3} Δ \to C d O + C O_{2}$

Option A is correct.

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