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For the reaction N(2)O(4)(g)hArr2NO(2)(g...

For the reaction `N_(2)O_(4)(g)hArr2NO_(2)(g)`, the value of K is 50 at 400 K and 1700 at 500 K. Which of the following options is correct?

A

The reaction is endothermic

B

The reaction is exothermic

C

If `NO_(2)(g)` and `N_(2)O_(4)(g)` are mixed at `400K` at partial pressures 20 bar and 2 bar respectively, more `N_(2)O_(4)(g)` will be formed.

D

The entropy of the system increases.

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
These options are all correct.
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Knowledge Check

  • For the reaction N_(2)O_(4)(g) hArr 2 NO_(2) (g) , the value of K is 50 at 400 K and 1700 at 500 K. Which of the following options is correct ?

    A
    The reaction is endothermic
    B
    The reaction is exothermic
    C
    If `NO_(2) (g) and N_(2) O_(4)(g)` are mixed at 400 K at partial pressures 20 bar and 2 bar respectively, more `N_(2)O_(4) (g)` will be formed,
    D
    The entropy of the system increases.

  • For the reaction, N_(2)O_(4(g))iff2NO_(2(g)) , the value of K is 50 at 400 K and 1700 at 500 K. Which of the following options is/are correct?

    A
    The reaction is endothermic
    B
    The reaction is exothermic
    C
    If `NO_(2(g))andN_(2)O_(4(g))` are mixed at 400 K at partial pressures 20 bar and 2 bar respectively, more `N_(2)O_(4(g))` will be formed
    D
    The entropy of the system remains constant

  • For the reaction N_(2)O_(4)(g)hArr2NO_(2)(g) , the value of K_(p) is 1.7xx10^(3) at 500K and 1.7xx10^(4) at 600K . Which of the following is/are correct ?

    A
    The proportions of `NO_(2)` in the equilibrium mixture is increased by decrease in pressure.
    B
    The standard enthalpy change for the forward reaction is negative
    C
    Units of `K_(p)` are `atm^(-1)`
    D
    At `500 K` the degree of dissociation of `N_(2)O_(4)` decreases by `50%` by increasing the pressure by `100%`

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