MCQ
The bond that exists between $N{H_3}$ and $B{F_3}$ is called
- AElectrovalent
- BCovalent
- ✓Coordinate
- DHydrogen
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$(1) Li < Be < B < C (IE_1)$
$(2) Li < Na < K < Rb < Cs$ (Reducing power in gaseous state)
$(3) Li^+ < Na^+ < K^+ < Rb^+ < Cs^+$ (Ionic mobility in aqueous solution)
$(4) S > Se > Te > O [EA]$
[Atomic Masses - $\mathrm{Na}: 23.0\, \mathrm{u}, \mathrm{O}: 16.0\, \mathrm{u}, \mathrm{P}: 31.0 \,\mathrm{u}]$
${H_2}{O_2}\xrightarrow{{R.T}}{H_2}O + \frac{1}{2}{O_2}$
| LIST $I$ (Technique) | LIST $II$ (Application) |
| $A$. Distillation | $I$. Separation of glycerol from spent-lye |
| $B$. Fractional distillation | $II$Aniline - Water mixture |
| $C$. Steam distillation | $III$Separation of crude oil fractions |
| $D$. Distillation under reduced pressure | $IV$.ChloroformAniline |
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