An ideal gas obeying kinetic theory of gases can be liquefied if

Its temperature is more than critical temperature T_c

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Its pressure is more than critical pressure P_c

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Its pressure is more than P_c at a temperature less than T_c

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It cannot be liquefied at any value of P and T

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Solution

The correct option is D It cannot be liquefied at any value of P and T
Ideal gas can’t be liquefied due to absence of intermolecular forces.

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Similar questions

Q. Assertion (A): Real gases tend to behave as ideal gas at low pressure and high Temperature.
Reason (R): At temperature more than critical temperature, a gas can’t be liquefied just by increasing the pressure. Which of the followings is correct?

Q. The critical temperature of a gas is the temperature above which a gas cannot be liquefied, if pressure is less than critical pressure.If this is true enter 1, if false enter 0.

The essential conditions for liquefaction of gases were discovered by Andrews in

1869

as a result of his study of pressure-volume-temperature relationship for

C O_{2}

. It was found that above a certain temperature, it was impossible to liquefy a gas whatever the pressure was applied. The temperature below which the gas can be liquefied by the application of pressure alone is called critical temperature

(T_{c})

. The pressure required to liquefy a gas at this temperature is called the critical pressure

(P_{c)}

. The volume occupied by one mole of the substance at the critical temperature and pressure is called critical volume. Critical constants are related with van der Waals' constant as follows:

V_{c} = 3 b, P_{c} = \frac{a}{27 b^{2}}, T_{c} = \frac{8 a}{27 R b}

The relationship between

P_{C}, V_{C}

and

T_{C}

The critical temperature $(T_{c})$ and critical pressure $p_{c})$ of $C O_{2}$ are ${30.98}^{\circ} C$ and 73 atm respectively.Can $C O_{2}$ (g) be liquefied at $32^{\circ} C$ and 80 atm pressure?

Q. Critical temperature and critical pressure values of four gases are given

\begin{matrix} Gas & C. Temp (K) & C. Pressure (atm) P & 5.1 & 2.2 Q & 33 & 13 R & 126 & 34 S & 135 & 40 \end{matrix}

Which of the gas/gases cannot be liquefied at a temperature of 100 K and a pressure of 50 atmospheres?

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An ideal gas obeying kinetic theory of gases can be liquefied if

The correct option is D It cannot be liquefied at any value of P and TIdeal gas can’t be liquefied due to absence of intermolecular forces.

The correct option is D It cannot be liquefied at any value of P and T
Ideal gas can’t be liquefied due to absence of intermolecular forces.