Question Detail

CHM 102 Carboxylic Acid Derivatives: Nomenclature, Synthesis, and Reactions Objective Question
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Question

What is the product when an ester is treated with excess Grignard reagent (RMgX)?
Options
A Carboxylic acid
B Alcohol
C Tertiary alcohol (after workup)
Correct Answer
D Ketone
Correct Answer

Option C is the correct answer.

Detailed Explanation

Esters react with 2 equivalents of Grignard reagent to give tertiary alcohols (after acidic workup). The first equivalent gives a ketone, the second gives a tertiary alcohol.

Hint

Grignard adds twice to esters.

Question Info

Course: CHM 102
Topic: Carboxylic Acid Derivatives: Nomenclature, Synthesis, and Reactions
Type: Objective
Difficulty: Not specified
Question 341 of 1999
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