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An equimolar mixture of CO(2 (g)) and CF...

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 equilibrium

A

decrease in temperature

B

increase in total pressure

C

Addition of inert gas at constant pressure

D

A and B both

Text Solution

Verified by Experts

The correct Answer is:
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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