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The synthesis of ammonia is given as: ...

The synthesis of ammonia is given as:
`N_(2)(g)+3H_(2)(g) hArr 2NH_(3)(g), DeltaH^(ɵ)=-92.6 kJ mol^(-1)` given `K_(c)=1.2` and temperature `(T)=375^(@)C`
Which of the following factors does not increase the yield of `NH_(3)` at equilibrium?

A

Catalyst

B

Increase in pressure

C

Increase in temperature

D

Decrease in pressure

Text Solution

Verified by Experts

The correct Answer is:
A
Presence of catalyst does not affect the concentration of various species at equilibrium.
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Knowledge Check

  • The synthesis of ammonia is given as: N_(2)(g)+3H_(2)(g) hArr 2NH_(3)(g), DeltaH^(ɵ)=-92.6 kJ mol^(-1) given K_(c)=1.2 and temperature (T)=375^(@)C The expression of equilibrium constant is

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    B
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    C
    `K_(c)=([NH_(3)])/([N_(2)][H_(2)]^(3))`
    D
    `K_(c)=([NH_(3)]^(2))/([N_(2)][H_(2)]^(3))`

  • The synthesis of ammonia is given as: N_(2)(g)+3H_(2)(g) hArr 2NH_(3)(g), DeltaH^(ɵ)=-92.6 kJ mol^(-1) given K_(c)=1.2 and temperature (T)=375^(@)C The relationship between K_(p) and K_(c) for this reaction is

    A
    `K_(c)=K_(p)(RT)^(2)`
    B
    `K_(p)=K_(c)(RT)^(-1)`
    C
    `K_(p)=K_(c)(RT)^(2)`
    D
    `K_(p)=K_(c)(RT)^(4)`

  • The synthesis of ammonia is given as: N_(2)(g)+3H_(2)(g) hArr 2NH_(3)(g), DeltaH^(ɵ)=-92.6 kJ mol^(-1) given K_(c)=1.2 and temperature (T)=375^(@)C On increasing the temperature, the value of equilibrium constant K_(c)

    A
    Increases
    B
    Decreases
    C
    Remain unchanged
    D
    Cannot be predicted

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    In reaction N_(2)(g)+3H_(2)(g) hArr 2NH_(3)(g), DeltaH=-93.6kJ /mole, the yield of ammonia does not increase when

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