The van der Waals parameters for gases W - X - Y and Z are-beginarray - c - c - c -WhineGas - a atm - L - 2 - mol -2 - b L - Mol -1 - hlineW - 4-0 - 0-027 llhlineX - 8-0 - 0-030 ll hlineY - 6-0 - 0-032 ll hlineZ - 12-0 - 0-0271 lhline endarray Which one of these gases has the lowest critical temperature-A- WB- XC- YD- Z

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Standard XII

Physics

Equipartition Theorem

The van der W...

Question

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?

W

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X

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Y

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Z

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Solution

The correct option is A $W$
Lower the ‘ $a$ ’ value, lower is the critical temperature.

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

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Similar questions

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?

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\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}

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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 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 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 ?

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The van der Waals parameters for gases W, X, Y and Z are: Gasa(atm L2 mol−2)b(L Mol−1)W4.00.027X8.00.030Y6.00.032Z12.00.027 Which one of these gases has the lowest critical temperature?

The correct option is A WLower the ‘a’ value, lower is the critical temperature. Tc = 8a27Rb

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?

The correct option is A $W$
Lower the ‘ $a$ ’ value, lower is the critical temperature.

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