What is (are) the major organic product(s) formed in the following reaction?

Name: What is (are) the major organic product(s) formed in the following reaction?
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Question

Quizplus · Accepted Answer

The reaction is a Grignard reaction between an alkylmagnesium halide and an aldehyde. The alkylmagnesium halide will attack the carbonyl carbon of the aldehyde to form a secondary alcohol. Therefore, the major organic products formed will be 1-pentanol (1) and 4-pentanol (4). Choice D is the best answer as it includes both 1 and 4.

What Is (Are) the Major Organic Product(s) Formed in the Following