Identify the incorrect statement regarding th | vedclass

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(B) Option $B$ is incorrect. When a liquid is in equilibrium with its vapor in a closed vessel,increasing the temperature increases the kinetic energy

Vedclass · Accepted Answer

If a liquid is in equilibrium with its vapor,increasing the temperature decreases the density of the vapor.

Vedclass · Answer

(B) Option $B$ is incorrect. When a liquid is in equilibrium with its vapor in a closed vessel,increasing the temperature increases the kinetic energy of the molecules,causing more liquid to evaporate. This leads to an increase in the number of vapor molecules per unit volume,thereby increasing the density of the vapor,not decreasing it.

Gas	$a$ (atm $L^2$ mol$^{-2}$)	$b$ ($L$ mol$^{-1}$)
$W$	$4.0$	$0.027$
$X$	$8.0$	$0.030$
$Y$	$6.0$	$0.032$
$Z$	$12.0$	$0.027$

Identify the incorrect statement regarding the properties of liquids and vapors.

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For gases $W, X, Y$ and $Z$,the van der Waals constants are given below. Which gas has the highest critical temperature?
Gas $a$ (atm $L^2$ mol$^{-2}$) $b$ ($L$ mol$^{-1}$)
$W$ $4.0$ $0.027$
$X$ $8.0$ $0.030$
$Y$ $6.0$ $0.032$
$Z$ $12.0$ $0.027$

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