MCQ
The oxidation state of nitrogen in ${N_3}H$ is
- A$ + \frac{1}{3}$
- B$+3$
- C$ - 1$
- ✓$ - \frac{1}{3}$
$\mathop {{N_3}H}\limits^{ * \,\,\,\,\,\,\,\,} $
$3x + 1 = 0$, $3x = - 1$, $x = - \frac{1}{3}$.
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| List $I$ (Mixture) | List $II$ (Separation Technique) |
| $A$ $CHCl _3+ C _6 H _5 NH _2$ | $I$ Steam distillation |
| $B$ $C _6 H _{14}+ C _5 H _{12}$ | $II$ Differential extraction |
| $C$ $C _6 H _5 NH _2+ H _2 O$ | $III$ Distillation |
| $D$ Organic compound in $H _2 O$ | $IV$ Fractional distillation |