Arrange the following gases in increasing order of van der Waals constant 'a' A. Ar B. CH4 C. H2O D. C6H6 Choose the correct option from the following. (A) B, C, D and A (B) D, C, B and A (C) A, B, C

Question

Arrange the following gases in increasing order of van der Waals constant 'a' A. Ar B. CH4 C. H2O D. C6H6 Choose the correct option from the following.

(A) B, C, D and A
(B) D, C, B and A
(C) A, B, C and D
(D) C, D, B and A

Prashant Kotian · Accepted Answer

Correct answer: C. Vander wall constant a depends on intermolecular force of attraction so correct order of a is C6H6 > H2O > CH4 > Ar Gas Vander-waal constant "a" (atm. L2. mol–2) Ar 1.355 C6H6 18.57 CH4 2.253 H2O 5.536

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