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Standard XI

Chemistry

Liquefaction of Gases and Critical Constants

The van der W...

Question

The van der Waals' parameters for gases W,X,Y and Z are

$\begin{matrix} G a s & a (l i t r e^{2} - a t o m / m o l^{2}) & b (l i t r e / m o l) W & 4.0 & 0.027 X & 8.0 & 0.030 Y & 6.0 & 0.032 Z & 12.0 & 0.027 \end{matrix}$

Which one of these gases has the highest critical temperature?

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Solution

The correct option is D
Z

Critical temperature $T_{c} = \frac{8 a}{27 R b}$

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Similar questions

The van der Waals' parameters for gases W,X,Y and Z are

$\begin{matrix} G a s & a (l i t r e^{2} - a t o m / m o l^{2}) & b (l i t r e / m o l) W & 4.0 & 0.027 X & 8.0 & 0.030 Y & 6.0 & 0.032 Z & 12.0 & 0.027 \end{matrix}$

Which one of these gases has the highest critical temperature?

Q. The van der Waals parameters for gases

W, X, Y

and

Z

are:

\begin{matrix} G a s & a (a t m L^{2} m o l^{- 2}) & b (L M o l^{- 1}) W & 4.0 & 0.027 X & 8.0 & 0.030 Y & 6.0 & 0.032 Z & 12.0 & 0.027 \end{matrix}

Which one of these gases has the lowest critical temperature?

Q. The vander Waal's parameters for gases

W, X, Y . Z

are

$G a s$	$a$ ( $a t m L^{2} m o l^{- 2}$ )	$b$ ( $L m o l^{- 1}$ )
$W$	$4.0$	$0.027$
$X$	$8.0$	$0.030$
$Y$	$6.0$	$0.032$
$Z$	$12.0$	$0.027$

Which one of these gases has the highest critical temperature ?

Q. The van der Waals parameters for gases

W, X, Y

and

Z

are:

\begin{matrix} G a s & a (a t m L^{2} m o l^{- 2}) & b (L M o l^{- 1}) W & 4.0 & 0.027 X & 8.0 & 0.030 Y & 6.0 & 0.032 Z & 12.0 & 0.027 \end{matrix}

Which one of these gases has the lowest critical temperature?

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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The van der Waals' parameters for gases W,X,Y and Z are Gasa(litre2−atom/mol2)b(litre/mol)W4.00.027X8.00.030Y6.00.032Z12.00.027 Which one of these gases has the highest critical temperature?

The correct option is D Z Critical temperature Tc=8a27 Rb

The van der Waals' parameters for gases W,X,Y and Z are

$\begin{matrix} G a s & a (l i t r e^{2} - a t o m / m o l^{2}) & b (l i t r e / m o l) W & 4.0 & 0.027 X & 8.0 & 0.030 Y & 6.0 & 0.032 Z & 12.0 & 0.027 \end{matrix}$

Which one of these gases has the highest critical temperature?

The correct option is D
Z

Critical temperature $T_{c} = \frac{8 a}{27 R b}$