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Q.

Vanderwaals equation explained real gas behaviour by making volume correction and pressure correction. Vanderwaal's constant ‘b’ is a measure of-------and Vanderwal's constant ‘a’ is measure of ----------------respectively

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a

Attractions between the molecules ; size of molecules

b

Repulsions between the molecules ; volume occupied by the molecules

c

Volume occupied by the molecules ; Attractions between the molecules

d

Volume of the vessel ; size of molecules.

answer is C.

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Detailed Solution

Vanderwaals constant 'b' is called covolume (or) excluded volume. It is the actual volume occupied by the gas molecules.Vanderwall's constant ‘a’ is measure of molecular attractions.
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