Consider the following statements:- (a) At high pressure all real gases have Z > 1 whileat moderate pressure most gases have Z < 1 (b) Vanderwaal constant 'a' is measure of attractiveforce within the gas and is independent oftemperature and pressure. (c )Greater the critical temperature of a gas moreeasily it will be liquified.(d) There is no force of attraction betweenmolecules of ideal gas. The correct statements are :

Consider the following statements:- (a) At high pressure all real gase

1.	Consider the following statements:- (a) At high pressure all real gases have Z > 1 whileat moderate pressure most gases have Z < 1 (b) Vanderwaal constant 'a' is measure of attractiveforce within the gas and is independent oftemperature and pressure. (c )Greater the critical temperature of a gas moreeasily it will be liquified.(d) There is no force of attraction betweenmolecules of ideal gas. The correct statements are :
Answer» Only B, C, d Only a, c, d Only c, d All a, b, c, d ANSWER :D