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Question

In the thermal decomposition of potassium chlorate given as 2KClO3 (s)2KCl (s)+3O2 (g),
The law of mass action :

A
Cannot be applied
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B
Can be applied
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C
Can be applied at high temperature
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D
Can be applied at low temperature and pressure
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Solution

The correct option is A Cannot be applied
The thermal decomposition of potassium chlorate is an irreversible reaction which takes place only in the forward direction. Law of mass action can only be applied for reversible reactions.
Hence , the law of mass action is not applicable in this case.

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