Question
Write the structures of the following species:
- $H_3PO_2.$
- $H_2SO_5.$

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Column I | Column II | ||
| (i) | ![]() |
(a) | Fittig reaction |
| (ii) | ![]() |
(b) | Wurtz Fittig reaction |
| (iii) | ![]() |
(c) | Finkelstein reaction |
| (iv) | ![]() |
(d) | Sandmeyer reaction |