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CGP EDU Academic Team
Published on: August 13, 2026
For one mole of a van der Waals when b = 0 and T = 300 K, the PV vs. 1/V plot is shown below. The value of the van der Waals constant a (atm litre 2 mol -2 ) is:
Text Solution
Verified by ExpertsThe correct answer is:
C
1.5
van der Waals equation for 1 mol of real gas is
Given that b=0
........(i)
Following y = mx + c for the curve PV vs 
Slope = -a
Slope = 
a =1.5
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