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For the gas phase reaction 2NOhArrN(2)+O...

For the gas phase reaction `2NOhArrN_(2)+O_(2), DeltaH^(@)=-"43.5 kcal mole"^(-1)` Which one of the stateements below is true for `N_(2)(g)+O_(2)(g)hArr 2NO(g)`

A

`K_(C)` in independent to T

B

`K_(C)` increases as T decreases

C

`K_(C)` deacreases as T decreases

D

`K_(C)` varies with addition of NO

Text Solution

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The correct Answer is:
C
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The equilibrium constant for N_(2)(g) + O_(2)(g) hArr 2NO(g) is K, then calculate equilibrium constant for 1//2N_(2)(g) + 1//2O_(2)(g) hArr NO(g) .

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Knowledge Check

  • For the gaseous phase reacton 2NOhArrN_(2)+O_(2)DeltaH^(@)=+43.5"kcal mol"^(-1) Which statement is correct

    A
    K vaires with addition of NO
    B
    K decrease at temperaturee decreases
    C
    K increases at tempereature decreases
    D
    K is independent of temperaturee

  • For the gas phase reaction 2NO(g)hArrN_(2)(g) + O_(2)(g) , DeltaH = -43.5 kcal,which one of the following is true for N_(2)(g) + O_(2)(g)2NO(g)

    A
    K is independent of T
    B
    K decreases as T decreases
    C
    k increases as T decreases
    D
    K varies with addition of NO

  • For the gas phase reaction 2NO(g) hArr N_2(g) +O_2(g) ,DeltaH=-43.5 kcal, which one of the following is true for N_2(g) +O_2(g) hArr 2NO(g)

    A
    K is independent of T
    B
    D decreases as T decreases
    C
    K increases as T decreases
    D
    K varies with addition of NO

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