MCQ
Diazo-coupling is useful to prepare some
- ✓Dyes
- BProteins
- CPesticides
- DVitamins

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

(The freezing point depression constant for water $=2\; \mathrm{K}\; \mathrm{kg} \;\mathrm{mol}^{-1}$ )
Atomic no. : $Mn = 25,\,Fe = 26,\,Co = 27,\,Ni = 28$