JAMB Chemistry 2013 Objective — Question 4

Question 4 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2013 Objective paper, with the correct answer and a full explanation.

From the diagram above, at P a real gas is represented by

A. X
B. Y
C. ZCorrect
D. W

Explanation

Graph Z portrays a typical ideal gas. For an ideal gas, the value of PV is constant regardless of the value of pressure. A real gas (at low pressure P) deviates from this and is represented by curve Z's neighbouring/curving line — per the printed key the answer is C.

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