NEET UG CHEMISTRY MCQ: STATES OF MATTER

1 Easy

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Application +4 | -1

At what temperature will the RMS velocity of SO2 be the same as that of

{O_2}

at 303 K

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Correct option: C

606 K

Option C (606 K) is correct because the RMS velocity is inversely proportional to the square root of the molar mass and directly proportional to the square root of the temperature. Setting the RMS velocities equal allows solving for the unknown temperature.

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If for the gases, the critical temperatures are mentioned below i.e.

\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}}}

Which of the following can be predicted Which of the following statements is incorrect? Among the following metals interatomic forces are probably weakest in: The interaction energy of London forces between two particles is proportional to

{r^x}

, where

r

is the distance between the particles. The value of

x

is In deriving the kinetic equation we make use of the root mean square speed of the molecules which is: Which force is strongest?