Question

Consider the following table:
Gas a/ (k Pa dm⁶ mol⁻¹) b/ (dm³ mol⁻¹)
A 642.32 0.05196
B 155.21 0.04136
C 431.91 0.05196
D 155.21 0.4382
a and b a van der Waals constants. The correct statement about the gases is:
(A) Gas C will occupy more volume than gas A ; gas B will be lesser compressible than gas D
(B) Gas C will occupy lesser volume than gas A ; gas B will be more compressible than gas D.
(C) Gas C will occupy lesser volume than gas A ; gas B will be lesser compressible than gas D
(D) Gas C will occupy more volume than gas A; gas B will be more compressible than gas D.

Answer 1

Answer:

Consider the following table:

Gas a/ (k Pa dm⁶ mol⁻¹) b/ (dm³ mol⁻¹)

A 642.32 0.05196

B 155.21 0.04136

C 431.91 0.05196

D 155.21 0.4382

a and b a van der Waals constants. The correct statement about the gases is:

(A) Gas C will occupy more volume than gas A ; gas B will be lesser compressible than gas D

(B) Gas C will occupy lesser volume than gas A ; gas B will be more compressible than gas D.[✓✓✓✓✓

(C) Gas C will occupy lesser volume than gas A ; gas B will be lesser compressible than gas D

(D) Gas C will occupy more volume than gas A; gas B will be more compressible than gas D.

Answer 2

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(B) Gas C will occupy lesser volume than gas A ; gas B will be more compressible than gas D.