They can be made by reacting a halo-alkane with magnesium in ether.
They can be made by reacting a halo-alkane with magnesium in ether. These  organometallic compounds have the general formula RMgX, where R is an organic  group and X is a halogen. FTP, name these compounds, useful in organic  synthesis, where render organic groups nucleophilic, and which are named for  the 1912 Nobel Prize winner in Chemistry.
They can be made by reacting a halo-alkane with magnesium in ether.
Grignard reagents