$5\,{\rm{g}}$ each of the following gases at $87\,^\circ C$ and $750\,{\rm{mm}}$ pressure are taken. Which of them will have the least volume?

NEET UG CHEMISTRY MCQ: STATES OF MATTER

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5\,\mathrm{g}

each of the following gases at

87\,^\circ C

and

750\,\mathrm{mm}

pressure are taken. Which of them will have the least volume?

View answer and explanation

Correct option: D

\mathrm{HI}

Option D (

\mathrm{HI}

) is correct because, at the same conditions, the gas with the highest molar mass will have the least volume (since number of moles is the same).

Practice All Chapter MCQs →

\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