The equilibrium constant for the reaction Br2⇌2Br at 500 K and 700 K are 1×10−10 and 1×10−5 respectively. The reaction is:- (A) Endothermic (B) Exothermic (C) Fast (D) Slow
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Solution
The correct option is C
We have,
A2⇌2A
Kc=[A]2A2
Kc at 500k and 700k are 1×10−10and 1×10−5.
This shows tha the formation of the A is favored with an increase in temperature.
So, reaction is not a slow reaction because with increase in temperature decomposition is favored