The halide shown is converted to its Grignard reagent with magnesium in dry ether; methanal ( $HCHO$ ) is added, followed by aqueous acid work-up. Which structure is the product?

AStructure A
BStructure B
CStructure C
DStructure D

Answer: C

Phenylmagnesium bromide adds to formaldehyde to give the magnesium alkoxide of a primary alcohol; hydrolysis gives benzyl alcohol (phenylmethanol). Benzoic acid would need CO2, 2-phenylethanol would need ethylene oxide, and benzene results from simple protonation.

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The halide shown is converted to its Grignard reagent with magnesium in dry ether; methanal (HCHO) is added, followed by aqueous acid work-up. Which structure is the product?

Answer: C

More questions on Grignard reagent products from drawn halides

The halide shown is converted to its Grignard reagent with magnesium in dry ether; methanal ( $HCHO$ ) is added, followed by aqueous acid work-up. Which structure is the product?