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MHT CET Chemistry question

ChemistryAldehydes, Ketones and Carboxylic AcidsMHT CET

Calcium salt of fatty acid 'A' is dry distilled to give 'B'. The compound 'B' is reacted with dil. NaOH to give 'C' which on dehydration gives 'D'. The compound 'D' is unsaturated ketone, i.e. 5-ethyl-4-methyl-hept-4-en-3-one. Which of the following is A?

Answer: (C)

Solution

D, , is the dehydration product of the aldol of two molecules of diethyl ketone (pentan-3-one), so B is , which is

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Question ID VK-080652