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Following graph represents a pressure (P...

Following graph represents a pressure `(P)` volume `(V)` relationship at a fixed temperature `(T)` for `n` moles of a real gas. The graph has two regions marked `(I)` and `(II)`. Which of the following options is true.

A

`Z lt 1` in the region (II)

B

Z = 1 in the region (II)

C

Z = 1 for the curve

D

Z approaches 1 as we move from region (II) to region

Text Solution

Verified by Experts

The correct Answer is:
D
On moving from region (II) to region (I), pressure tends to zero. So, `Z rarr 1`
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