NEET UG CHEMISTRY MCQ: STATES OF MATTER

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Analyzing +4 | -1

Most probable velocity

\left(u_{\mathrm{mp}}\right)

, average velocity

\left(u_{\mathrm{av}}\right)

and root mean square velocity

\left(u_{\mathrm{rms}}\right)

of a sample of argon are equal, then

View answer and explanation

Correct option: C

T_{\text {rms }} < T_{\text {av }} < T_{\text {mp }}

Option B is correct because the most probable velocity is proportional to

\sqrt{T}

, average velocity is proportional to

\sqrt{T}

, and RMS velocity is proportional to

\sqrt{T}

, with different constants, leading to the temperature relationship.

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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}}}

{r^x}

r

x