MCQ
Which among the following methods is used to prepare Grignard reagent?
- ✓Action of magnesium metal on alkyl halide in presence of dry ether
- BAction of $MgCl _2$ on alkyl halide in presence of dry ether.
- CAction of magnesium powder on alkyl halide in aqueous medium.
- DAction of magnesium hydroxide on alkyl halide.