MCQ
The largest bond angle is in
- A$As{H_3}$
- ✓$N{H_3}$
- C${H_2}O$
- D$P{H_3}$

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$N_2(g) + 3H_2(g) \to 2NH_3(g)$ is
$-\,92.38\,KJ$ at $298\,K$ . The internal energy change $\Delta U$ at $298\,K$ is.....$KJ$
