1.

Figure displays the plot of the compression factor Z versus P for a few gases which of the following statements is/are correct for a van der Waals' gas?

Answer»

The PLOT I is applicable provided the van DER Waals' CONSTANT a is negligible
The plot II is applicable provided the van der waals' constant b is negligible
The plot III is applicable provided the van der waals' constant a and b are negligible
the plot IV is applicable provided the temperature of theh gas is must higher than its critical temperature.

Answer :A::B::C


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