How many moles of Grignard reagent will be required by one mole of given compound?

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answer is 7.

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Detailed Solution

Grignard reacts with unsaturated carbonyl compounds so two moles is required for each ester & carbonyl chloride.
Grignard also reacts with acidic H so one mole for -OH and one mole for -SH. Last one mole is required to replace Cl- group.
So total 7 moles of Grignard reagent is required.

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