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An equimolar mixture of `CO_(2 (g))` and `CF_(4 (g))` was taken in an empty flask at a particular temperature. These gases reacts as: `CO_(2 (g)) + CF_(4 (g)) hArr 2 COF_(2 (g))` After this , mixture attains equilibrium and mole fraction of `COF_(2 (g))` was found to be `0.2`, then Which of the following will increase concentration of `COF_(2 (g))` at equilibriumA. decrease in temperatureB. increase in total pressureC. Addition of inert gas at constant pressureD. A and B both |
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Answer» Correct Answer - D For increasing concentration of `COF_(2 (g))` at equilibrium (A) Reaction is exothermic in forward direction hence, decrease in temperature, increase concentration of `COF_(2 (g))` at equilibrium. (b) Total pressure increase, volume decreases and hence concentration increases. |
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