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NTA Abhyas NEET2020ChemistryCarboxylic Acid DerivativesPractice

Which of the compounds shown below will react with diethyl malonate in the presence of methoxide ion to give a compound, which on treatment with aqueous acid and gentle heating will decarboxylate to form butanoic acid?

Options

  1. AC H 3 C H 2 B r
  2. BC H 3 C H 2 C H 2 B r

Correct answer

B. C H 3 C H 2 C H 2 B r

Step-by-step solution

Here ethyl bromide reacts with diethyl malonate and the reaction is as follows

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