Assertion (A) : In the dissociation of PCl_(5) at constant pressure and temperature addition of helium at equilibrium increases the dissociation of PCl_(5).

Assertion (A) : In the dissociation of PCl_(5) at constant pressure an

1.	Assertion (A) : In the dissociation of PCl_(5) at constant pressure and temperature addition of helium at equilibrium increases the dissociation of PCl_(5).
Answer» Both A and Rare trueand R is the correct explanation of A. Both A and Rare truebutR is NOTTHE correct explanation of A. A is TRUE but R is false. Both A and R are false. Solution :Correct R. To keep pressure constant, ADDITION of helium is ACCOMPANIED by increase in volume of the reaction mixture.