NEET UG CHEMISTRY MCQ: STATES OF MATTER

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Understanding +4 | -1

Given that the reduced temperature,

\theta=\frac{T}{T_c}

The reduced pressure,

\pi=\frac{F}{F_C}

The reduced volume,

\phi=\frac{V}{V_c}

Thus, it can be said that the reduced equation of state may be given as

View answer and explanation

Correct option: D

\left(\frac{\pi}{3}+\frac{1}{\varphi^2}\right)(3 \phi-1)=\frac{8}{3} \theta

Option D is correct because it represents the reduced equation of state derived from the van der Waals equation using reduced variables.

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\begin{array}{cccccccccccccccccccc} {\underline {{\text{Gas}}} }&{\underline {\,{\text{Critical}}\,\,{\text{temperature}}} } \\ {\text{A}}&{{T_{{C_1}}}} \\ {\text{B}}&{{T_{{C_2}}}} \\ {\text{C}}&{{T_{{C_3}}}} \\ {\text{D}}&{{T_{{C_4}}}} \end{array}

{T_{{C_1}}} > {T_{{C_2}}} > {T_{{C_3}}} > {T_{{C_4}}}

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