NEET UG CHEMISTRY MCQ: STATES OF MATTER

1 Hard

1 of 1

Application +4 | -1

Choose the correct option for the total pressure (in atm.) in a mixture of 4 g

{O_2}

and 2 g

{H_2}

confined in a total volume of one litre at

{0^0}C

is
[Given

R = 0.082\mathrm{L}\,\,\mathrm{atm}\,\,\mathrm{mo}{\mathrm{l}^{ - 1}}\,{K^{ - 1}},\,T = 273\mathrm{K}

]

View answer and explanation

Correct option: A

25.18

Option A (

25.18

) is correct because it is calculated by determining the number of moles of each gas, using the ideal gas law to find the partial pressures, and summing them to find the total pressure.

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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?