Question

why alkyl halides behave as nucleophile in a grignard reagent?​

Answer 1

Answer:

The C-Mg bond in Grignards is more covalent than ionic in character. Hence it is less nucleophilic than a 'free' carbanion. Alkylation of Grignards can be achieved by addition of catalytic amounts of copper (I) salts or Li2CuCl4, but in these cases the reactive species is alkyl magnesium cuprate complex.

Explanation:

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