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InterviewSolution
| 1. |
What are the physical significance of vanderwaal. paramaters |
| Answer» Significance of van der Waals’ parameter ‘a’:It is the measure of the magnitude of attractive forces between the molecules of a gas.Unit: atm L2 mol−2 or bar L2 mol−2Larger the value of ‘a’, larger will be the intermolecular force of attraction.It is independent of pressure and temperature.Significance of van der Waals’ parameter ‘b’:It is the measure of the effective size of gas molecules.Unit: L mol−1 | |