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When NaNO3 is heated in a closed vessel,...

When `NaNO_3` is heated in a closed vessel, oxygen is liberated and `NaNO_2` is left behind. At equilibrium

A

addition of `NaNO_2` favours reverse reaction

B

addition of `NaNO_2` favours forward reaction

C

increasing temperature favours backward reaction

D

Increasing pressure favours reverse reaction

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The correct Answer is:
D
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