If K for the reaction : `2AB hArr A_2+B_2` is 50, then K' for the reaction `A_2+B_2 hArr 2AB` is ______

Explanation

To find the equilibrium constant \( K' \) for the reaction \( A_2 + B_2 \rightleftharpoons 2AB \), given that \( K \) for the reaction \( 2AB \rightleftharpoons A_2 + B_2 \) is 50, we can follow these steps:

### Step 1: Understand the relationship between the reactions
The original reaction is:
\[ 2AB \rightleftharpoons A_2 + B_2 \]
with an equilibrium constant \( K = 50 \).

The reaction we want to analyze is the reverse of the original:
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