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Standard XII
Chemistry
Question

For the following equilibrium, KC=6.3×1014 at 1000K. NO(g)+O3(g)⇌NO2(g)+O2(g). Both the forward and reverse reactions in the equilibrium are elementary bimolecular reactions. What is KC, for the reverse reaction?
  1. 9×10−15
  2. 15.9×10−15
  3. 1.59×10−15
  4. 5×10−15

A
9×10−15
B
15.9×10−15
C
1.59×10−15
D
5×10−15
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Solution
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The value of the equilibrium constant for the reverse reaction is obtained from the reciprocal of the value of the equilibrium constant of the forward reaction.

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