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If K(1) and K(2) are equilibrium constan...

If `K_(1)` and `K_(2)` are equilibrium constants at `T_(1)` and `T_(2)` temperatures (`T_(1)`>`T_(2)`) ,then which of the following are correct?
(A) When `Delta` H=+ve,`K_(2)`>`K_(1)`
(B) When `Delta` H=0 `K_(1)`=`K_(2)`
(C) When `Delta` H=-ve `K_(2)`<`K_(1)`
(D) When `Delta` H=+ve `K_(2)`<`K_(1)`

Answer

Step by step text solution for If K_(1) and K_(2) are equilibrium constants at T_(1) and T_(2) temperatures (T_(1)>T_(2)) ,then which of the following are correct? (A) When Delta H=+ve,K_(2)>K_(1) (B) When Delta H=0 K_(1)=K_(2) (C) When Delta H=-ve K_(2)<K_(1) (D) When Delta H=+ve K_(2)<K_(1) by CHEMISTRY experts to help you in doubts & scoring excellent marks in Class 11 exams.

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Knowledge Check

  • If K_(1)= Rate constant at temperature T_(1) and k_(2) rate constant at temperature T_(2) for a first order reaction, then which of the following relation is correct ?

    A
    `log. (k_(2))/(k_(1))=(2.303)/(RT)[(T_(2)-T_(1))/(T_(1)T_(2))]`
    B
    `log. (k_(2))/(k_(1))=(E_(a))/(2.303RT)[(T_(2)-T_(1))/(T_(1)T_(2))]`
    C
    `log. (k_(2))/(k_(1))=(E_(a))/(2.303RT)[(T_(1)T_(2))/(T_(2)-T_(1))]`
    D
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  • For an exothermic reaction, equilibrium constant at T_1 and T_2 are respectively K_1 and K_2 If K_1 lt K_2 then : -

    A
    `T_1 gt T_2`
    B
    `T_1 lt T_2`
    C
    `T_1=T_2`
    D
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  • For an exothermic reaction, equilibrium constant at T_1 and T_2 are respectively K_1 and K_2 If K_1 lt K_2 then : -

    A
    `T_1 gt T_2`
    B
    `T_1 lt T_2`
    C
    `T_1=T_2`
    D
    None of these

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