Related InterviewSolutions

• Under what conditions of temperatue and pressure the formation of atomic hydrogen from molecular hydrogen will be favoured mostA. High temperatuer and high pressureB. Low temperatue and low pressureC. High temperatue and low pressureD. Low temperatue and high pressure
• Unit of equilibrium constant for the reversible reaction `H_(2)+I_(2)hArr2HI` isA. `mol^(-1)` litreB. `mol^(-2)` litreC. mol `litre^(-1)`D. None of these
• 4 moles each of `SO_(2) and O_(2)` gases are allowed to react to from `SO_(3)` in a closed vassel. At equlibrium `25%` of `O_(2)` is used up. The total number of moles of all the gases at equlibrium isA. `6.5`B. `7.0`C. `8.0`D. `2.0`
• Three moles of `PCl_(5).` three moles of `PCl_(3)` and two moles of `Cl_(2)` are taken in a closed vessel. IF at equlibrium the vessel has 1.5 moles of `PCl_(5),` the number of moles of `PCl_(3)` present in it isA. 6B. `4.5`C. 5D. 3
• The equlibrium concentration of X,Y and `YX_(2),` are 4,2 and 2 moles respectively for the equlibrium `2X+Y hArr YX_(2).` The value of `K_(c)` isA. `0.625`B. `2.0625`C. `6.25`D. `0.00625`
• Assertion : ON cooling a frezing maxture, colour of the mixture turns to pink from deep blue for a reaction `Co(H_(2)P)_(6(aq))^(2+)+4Cl_(aq)^(-)hArrCoCl_(4(aq))^(2-)+6H_(2)O_((1)).` Reason: Reaction is endothermic so on cooling, the reacton moves to backward direction.A. If both assertion and reason are true and the reason is the correct explanation of the assertion.B. If both assertion and reason are true but reason is not the correct explanation of the assertion.C. If assertion is true but reason is false.D. If the assertion and reason both are false.
• Suppose the reaction `PCl_(5(g))hArr PCl_(3(s))+Cl_(2(g))` is a closed vessel tat equlibrium stage. What is the effect on equlibrium concentration of `Cl_(2(g))` byadding `PCl_(5)` at constant temperatureA. DecreasesB. IncreasesC. UnaffectedD. Cannot be described without the value of `k_(p)`
• In the equlibrium `AB hArr A+B,` if the equlibrium concentration of A is doubled, the equlibrium concentratio of B would becomeA. TwiceB. HalfC. `1//4^(th)`D. `1//8^(th)`
• Ina chemical equilibrium `A+B hArrC+D,` when one mole each ofhte two reactant are mixed, `0.6` male each of the products are formed. The equilibrium constant calculated isA. 1B. `0.36`C. `2.25`D. `4//9`
• In te gas phase reaction, `C_(2)H_(4)+H_(2)hArr C_(2)H_(6),` the equlibrium constant can be expressed in units ofA. `"litre"^(-2)"mole"^(-1)`B. litre `"mole"^(-1)`C. `"mole"^(2)"litre"^(2)`D. mole `"litre"^(-1)`