Question
Write a short note on distillation under reduced pressure.
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| Compound | Oxidation number | Stock notation |
| $AuCl_3$ | …………….. | …………….. |
| $SnCl_2$ | …………….. | …………….. |
| $V––2O4−7$ | …………….. | …………….. |
| $Pt–––Cl2−6$ | …………….. | …………….. |
| $H_3AsO_3$ | …………….. | …………….. |
| Particle | Mass Number (A) | Atomic Number (Z) | Protons | Neutrons | Electrons |
| O | 8 | 8 | |||
| Al | 27 | 13 | |||
| 35 | 17 | ||||
| $\mathrm{Mg}^{2+}$ | 12 | 10 |