MCQ
lkaline earth metals act as:
- ✓reducing agents
- Boxidising agent
- Camphoteric
- Dacidic
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The equilibrium constant of the reaction $2N{H_3} + \frac{5}{2}{O_2} \rightleftharpoons 2NO + 3{H_2}O$ in terms of $K_1, K_2$ and $K_3$ is