Question

define equilibrium constant for the reverse reaction​

Answer 1

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Answer 2

Hi Mate !

Here is ur Answer !

Answer:

The equilibrium expression written for a reaction written in the reverse direction is the reciprocal of the one for the forward reaction.

K' = 1/K

K' is the constant for the reverse reaction and K is that of the forward reaction.

Example :

What is the value of the equilibrium constant for the reaction 2 NO2(g) double arrows N2O4(g) at 100o C?

N2O4(g) double arrows 2 NO2(g)   Kc = 0.212 @ 100oC?

The desired reaction is the reverse of the reaction for which the Kc is known.  The equilibrium expression is the reciprocal of that given.

K'c = 1/Kc = 1/0.212 = 4.72

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