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Question

The exothermic formation of CIF3 is represented by the equation: 
Cl2(g)+3F2(g)2CIF3(g);H=329 kJ
Which of the following will increase the quantity of CIF3 in an equilibrium mixture of Cl2, F2 and CIF3?


A
By addition of  F2
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B
Increasing the volume of the container 
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C
By removal of  Cl2
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D
Increasing the temperature 
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Solution

The correct option is A By addition of  F2
The reaction given is an exothermic reaction.
number of moles of products are less than the number of moles of reactants.
According to Le - chatalier's principle lowering of temperature, addition of F2 or Cl2 favours the forward reaction and hence the production of CIF3.
Increasing the volume of the container, the concentration of reactancts will decrease and the reaction will shift in backward direction.

Chemistry

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