If the equilibrium constant for is and that of is , the equilibrium constant for is:

Question

If the equilibrium constant for  is  and that of  is , the equilibrium constant for  is:

Canvas Classes · Accepted Answer

Rule: When reactions are added, their equilibrium constants are multiplied.

Step 1 — Add the two reactions:

Adding:

Step 2 — Combined equilibrium constant:

This follows from the fact that  and:

Answer: Option (4) —

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