NEET UG CHEMISTRY MCQ: STATES OF MATTER

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Analyzing +4 | -1

0.5 mole of each of

{\mathrm{H}_2},\mathrm{S}{\mathrm{O}_2}

and

\mathrm{C}{\mathrm{H}_4}

are kept in a container. A hole was made in the container. After 3 h, the order of partial pressures in the container will be

View answer and explanation

Correct option: B

p\mathrm{S}{\mathrm{O}_2} > p\mathrm{C}{\mathrm{H}_4} > p{\mathrm{H}_2}

Option D (

p{\mathrm{H}_2} > p\mathrm{C}{\mathrm{H}_4} > p\mathrm{S}{\mathrm{O}_2}

) is correct because H2 diffuses fastest, followed by CH4, and then SO2, leading to a decrease in their partial pressures in that order.

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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