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Chemistry Question on Aldehydes, Ketones and Carboxylic Acids

1-phenyl ethanol can be prepared by the reaction of benzaldehyde with

A

methyl bromide

B

ethyl iodide and magnesium

C

methyl iodide and magnesium

D

methyl bromide and aluminium bromide

Answer

methyl iodide and magnesium

Explanation

Solution

1-phenyl ethanol is prepared by reacting benzaldehyde with methyl magnesium iodide or by mixture of methyl iodide and magnesium as CH3I+Mg→Dry etherCH3MgICH_3I+Mg \xrightarrow{Dry\, ether}CH_3 MgI