0.6 mole of P C l 5 , 0.3 mole of P C l 3 and 0.4 mole of C l 2 are taken in a 1 L flask to obtain the following equilibrium P C l 5 ( g ) ⇌ P C l 3 ( g ) + C l 2 ( g ) If the equilibrium constant K c for the reaction is 0.15. Predict the direction of the reaction.

Question

0.6 mole of P C l 5 , 0.3 mole of P C l 3 and 0.4 mole of C l 2 are taken in a 1 L flask to obtain the following equilibrium P C l 5 ( g ) ⇌ P C l 3 ( g ) + C l 2 ( g ) If the equilibrium constant K c for the reaction is 0.15. Predict the direction of the reaction., Forward direction, Backward direction, Direction of the reaction can not be predicted, Reaction does not move in any direction

MARKS App · Accepted Answer

P C l 5 ( g ) ⇌ P C l 3 ( g ) + C l 2 ( g ) Q c = 0.4 × 0.3 0.6 = 0.2 K c = 0.15 since Q c > K c reaction will proceed in backward direction.

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