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Organic Chemistry

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Carboxylic Acids

Question
1 out of 16
 

An alkyl magnesium halide is reacted with carbon dioxide under very low pH (acidic conditions). Which of the following are true regarding this reaction?

I) Carbon dioxide acts as the nucleophile in this reaction

II) Carboxylic acid is one of the products

III) Grignard reagent acts as the nucleophile



A I only
B II only
C I & III
D II & III
Ans. D Alkyl magnesium halide or Grignard reagent can react with carbon dioxide to form carboxylic salts. The description of the reaction mentioned in the question also says that the reaction occurred in acidic conditions. Under acidic conditions, the salt is converted to a carboxylic acid. So statement II is true. Furthermore, alkyl magnesium halide (Grignard reagent) acts as the nucleophile in the reaction. So statement III is true.

Carboxylic Acids Flashcard List

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