Question

1.what happens when excess of methyl magnesium iodide reacts on Ethyl ethanoate ??
2. what is action of Ethyl magnesium iodide on Ethyl methanoate in equimolecular quantities??​

Answer 1

Answer:

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Answer 2

Excess of methyl magnesium iodide on reaction with Ethyl ethanoate produces tertiary butanol and ethanol as the products.

• Methyl magnesium iodide produces Me- ions which acts as an effective nucleophile.
• Me- ions keeps attacking on the electrophilic carbon of the ester unless the ester is converted into an alcohol.

Ethyl magnesium iodide on addition to Ethyl methanoate in equimolecular quantity produces propionaldehyde and ethanol as the products.

• Ethyl magnesium iodide produces Et- ions which is a very good nucleophile.
• Et- ions attacks on the electrophilic carbon of the ester and substitutes the -OEt group from it.