Related InterviewSolutions

• The quantitative relationship between the vapor pressure `p` of a liquid and the absolute temperature `T` is given by the Clausius - Clapeyron equation, `In_(p) = - (Delta_(vap)H)/(RT) + C` where `In` is the natural logarithm , `R` is the gas constant `(8.314 JK^(-1) mol^(-))` , and `C` is a constant . The plot ofA. `In_(p)` against `1//T` will be a straight lineB. `In_(p)` against `T` will be a straight lineC. `In_(p)` against `1//T` will be a parbolaD. `In_(p)` against `T` will be a parabola
• The relative rates of diffusion of ozone as compared to chlorine is `6 : 5`. If the density of `Cl_(2)` is `35.5`, find out the density of ozone.
• Assertion: A lighter gas diffuse more rapidly than a heavier gas. Reason: At a given temperature, the rate of diffusion of a gas is inversely proportional to the square root of its density.A. If both (`A`) and (`R`) are correct and (`R`) is the correct explanation of (`A`).B. If both (`A`) and (`R`) are correct, but (`R`) is not the correct explanation of (`A`).C. If (`A`) is correct, but (`R`) is incorrect.D. If (`A`) is incorrect, but (`R`) is correct.
• Which will diffuse faster, ammonia of `CO_(2)` ? What are their relative rates of diffusion?
• The ratio of rates of diffusion of `SO_(2)`, `O_(2)` and `CH_(4)` isA. `1: sqrt(2):2`B. `1:2:4`C. `2:sqrt(2):1`D. `1:2:sqrt(2)`
• The rates of diffusion of `SO_(3), CO_(2), PCl_(3)` and `SO_(2)` are the following order:A. `PCl_(3) gt SO_(3) gt SO_(2) gtCO_(2)`B. `CO_(2) gt SO_(2) gt PCl_(3) gt SO_(3)`C. `SO_(2) gt SO_(3) gt PCl_(3) gt CO_(2)`D. `CO_(2) gt SO_(2) gt SO_(3) gt PCl_(3)`
• A vessel contains `0.1 mol e of He, 0.1` mole of `O_(2)` and `0.3` mole of `N_(2)`. The total pressure is `1` atomosphere. The pressure exerted by `O_(2)` isA. `380 "mm of Hg"`B. `456 "mm of Hg"`C. `304 "mm of Hg"`D. `152 "mm of Hg"`
• Air open vessel at `127^(@)C` is heated until `1//5^(th)` of air in it has been expelled. Assuming that the volume of vessel remains constant the temperature to which the vessel has been heated isA. `177^(@)C`B. `277^(@)C`C. `377^(@)C`D. `477^(@)C`
• Assertion : In Maxwell - Boltzmann distribution of speeds , the curve broadens at higher temperature . Reason : At a particular temperature , the individual speed of molecules as well as the distribution of speeds remains the same .A. If both assertion and reason are true and reason is the correct explanation of assertion .B. If both assertion and reason are true but reason is not the correct explanation of assertion .C. If assertion is true but reason is false .D. If both assertion and reason are false .
• Equal weights of methane and hydrogen are mixed in an empty container at `25^(@)C`. The fraction of the total pressure exerted by hydrogen isA. `(1)/(2)`B. `(8)/(9)`C. `(1)/(9)`D. `(16)/(17)`