MCQ
In modern process phosphorus is manufactured by
- ✓Heating a mixture of phosphorite mineral with sand and coke in electric furnace
- BHeating calcium phosphate with coke
- CHeating bone ash with coke
- DHeating the phosphate mineral with sand
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|
List$-I$ (Parameter) |
List$-II$ (Unit) |
| $(a)$ Cell constant | $(i)$ $\mathrm{S}\, \mathrm{cm}^{2} \,\mathrm{~mol}^{-1}$ |
| $(b)$ Molar conductivity | $(ii)$ Dimensionless |
| $(c)$ Conductivity | $(iii)$ $\mathrm{m}^{-1}$ |
| $(d)$ Degree of dissociation of electrolyte | $(iv)$ $\Omega^{-1} \,\mathrm{~m}^{-1}$ |
Choose the most appropriate answer from the options given below :
Reason : Grignard reagents react with hydroxyl group