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Dialkyl cadmium is used to prepare keton...

Dialkyl cadmium is used to prepare ketones from acid chlorides and not from Grignard reagents. Assign reason.

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Grigard reagents do from ketones with acid chlorides but the reactions does not stop at this stage. Ketones further takes part in the reactions with Grignard reagents to give tertiary alcohols. Therefore, dialkyl cadmium is used which reacts with only the acid chlorides and not with ketones. For details consult sections 6.
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