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The equilibrium constant for the reactio...

The equilibrium constant for the reaction `N_(2)(g)+O_(2)(g) hArr 2NO(g)` is `4.0xx10^(-4)` at `2000 K`. In the presence of a catalyst, the equilibrium is attained `10` times faster. Therefore, the equilibrium constant in presence of the catalyst at `2000 K` is

A

`40xx10^(-4)`

B

`4xx10^(-4)`

C

`4xx10^(-2)`

D

The data is insufficient

Text Solution

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The correct Answer is:
B
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The equilibrium constant for the reaction, N_(2(g))+ O_(2(g)) Leftrightarrow 2NO_(g)" is "4xx 10^(-4)" at "2000 K. In presence of a catalyst, equilibrium is attained ten times faster. Therefore, the equilibrium constant, in presence of the catalyst, at 2000 K is

Knowledge Check

  • The equilibrium constant for the reaction N_2(g) +O_2(g) hArr 2NO(g) "is" 4 xx 10^(-4) at 200 k . In the presence of a catalyst the equilibrium is attained 10 times faster therefore, the equillbrium constant in presence of the catalyst at 200 k is

    A
    `4 xx 10^(-3)`
    B
    `4xx 10^(-4)`
    C
    `4xx 10^(-5)`
    D
    none of the above

  • The equilibrium constant for the reaction N_2(g) +O_2(g) hArr 2NO(g) "is" 4 xx 10^(-4) at 200 k . In the presence of a catalyst the equilibrium is attained 10 times faster therefore, the equillbrium constant in presence of the catalyst at 200 k is

    A
    `4 xx 10^(-3)`
    B
    `4xx 10^(-4)`
    C
    `4xx 10^(-5)`
    D
    none

  • The equilibrium constant for the reaction, N_(2) (g) + O_(2) hArr2NO (g) " is " 4 xx 10^(-4) at 2000 K. In presence of a catalyst, equilibrium is attained ten times faster. Therefore , the equilibrium constant , in presence of the catalyst, at 2000 K is :

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    ` 40 xx 10^(-4)`
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    C
    ` 4 xx 10^(-3)`
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