The Vander Waal-s parameters for gases W- X- Y and Z areGas - -a - atm - L - 2 - mol -2 - b - L - mol -1 WhineWhine X - 6-0Y - 8-0- 0-032 Z - 12-0- 0-027Whine array Which one of these gases has the highest critical temperature-A- YB- ZC- WD- X

The correct option is B ZT_c = 8a/27Rb a/b ratio is maximum for Z. Points to remember: P_c = a/27b^2, V_c = 3nb ...

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Standard XII

Chemistry

First Law of Thermodynamics

The Vander Wa...

Question

The Vander Waal's parameters for gases W, X, Y and Z are

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

Which one of these gases has the highest critical temperature?

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Solution

The correct option is D Z
$T_{c} = \frac{8 a}{27 R b}$
a/b ratio is maximum for Z.
Points to remember:
$P_{c} = \frac{a}{27 b^{2}}$ , $V_{c} = 3 n b$

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Similar questions

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 Vander 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 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 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 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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The Vander Waal's parameters for gases W, X, Y and Z are Gasa (atm L2 mol−2)b (L mol−1)W4.00.027X6.00.030Y8.00.032Z12.00.027 Which one of these gases has the highest critical temperature?

The correct option is D ZTc=8a27Rb a/b ratio is maximum for Z. Points to remember: Pc=a27b2, Vc=3nb

The Vander Waal's parameters for gases W, X, Y and Z are

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

Which one of these gases has the highest critical temperature?

The correct option is D Z
$T_{c} = \frac{8 a}{27 R b}$
a/b ratio is maximum for Z.
Points to remember:
$P_{c} = \frac{a}{27 b^{2}}$ , $V_{c} = 3 n b$