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What is the equilibrium constant, K for ...

What is the equilibrium constant, K for the following reaction at 400 K?
`2NOCl(g) iff 2NO(g) + Cl_2(g)`
` Delta H = 77.2 kJ "mol"^(-1)` and ` Delta S = 122 JK^(-1) "mol"^(-1) ` at 400 K

A

`1.95 xx 10^(-4)`

B

`7.4 xx 10^(-4)`

C

`2.28 xx 10^(-3)`

D

`1.48 xx 10^(-5)`

Text Solution

Verified by Experts

The correct Answer is:
A
`1.95 xx 10^(-4)`
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