Q47Assertion & reason
Assertion (A): Gases do not liquefy above their critical temperature, even on applying high pressure.
Reason (R): Above critical temperature, the molecular speed is high and intermolecular attractions cannot hold the molecules together because they escape because of high speed. (i) Both A and R are true and R is the correct explanation of A. (ii) Both A and R are true but R is not the correct explanation of A. (iii) A is true but R is false. (iv) A is false but R is true.
- (i)Both A and R are true and R is the correct explanation of A.
- (ii)Both A and R are true but R is not the correct explanation of A.
- (iii)A is true but R is false.
- (iv)A is false but R is true.
Show answer
(i) Both A and R are true and R is the correct explanation of A.