In the following reaction PCl5(g)⇌PCl3(g)+Cl2(g) at constant temp. rate of backward reaction is increase by :
A
Inert gas mixed at constant volume
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B
Cl2 gas mixed at constant volume
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C
Inert gas mixed at constant pressure
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D
PCl5 mixed in constant volume.
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Solution
The correct option is CCl2 gas mixed at constant volume PCl5(g)⇌PCl3(g)+Cl2(g) so reaction will go to forward direction by adding reactants and go to backward by adding products.