In van der Waal's equation, the parameter ' $a$ ' represents the role of attraction and parameter ' $b$ ' represents the role of repulsive forces.

True

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False

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Solution

The correct option is B False
The given statement is False.
In the van der Waal's equation $(P + \frac{n^{2} a}{V^{2}}) (V - n b) = n R T$ , the constant 'b' reflects the actual volume of the gas molecules.
The constant 'a' is an indirect measure of magnitude of attractive forces between the molecules.

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Similar questions

Q. The gas equation for a real gas is

P (V - b) = R T

Here, the parameter '

b

' is van der Waal's constant. The graph of pressure against temperature (isochore) will give a straight line of the slope.

Consider the following statements.
If the van der waal's parameter of two gases are given as

$a (a t m L^{2} m o l^{- 2}) b (L^{2} m o l^{- 1})$
Gas X: $6.5 0056$
Gas Y: $8.0 0011$

Then $A : V_{c} (X) < V_{c} (Y)$
$B : p_{c} (X) < p_{c} (Y)$
$C : T_{c} (X) < T_{c} (Y)$

Select the correct alternate.

Q. Which of the following equation(s) (

t

being the parameter) represents a hyperbola?

Q. Which of the following equation(s) (

t

being the parameter) represents a hyperbola?

Q. The van der Waal's parameters for gases

A

B

C

and

D

are:

Gas	$a$ $(l i t r e^{2} a t m / m o l^{2})$	$b$ ( $l i t r e / m o l$ )
$A$	4.0	0.027
$B$	8.0	0.030
$C$	6.0	0.032
$D$	12.0	0.027

Which one of these gases has the highest critical temperature?

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In van der Waal's equation, the parameter 'a' represents the role of attraction and parameter 'b' represents the role of repulsive forces.

The correct option is B FalseThe given statement is False. In the van der Waal's equation (P+n2aV2)(V−nb)=nRT, the constant 'b' reflects the actual volume of the gas molecules.The constant 'a' is an indirect measure of magnitude of attractive forces between the molecules.

In van der Waal's equation, the parameter ' $a$ ' represents the role of attraction and parameter ' $b$ ' represents the role of repulsive forces.