Aldehydes and Ketones - Result Question 41

####42. Which of the following compounds will give a yellow precipitate with iodine and alkali?

(1984,1M)

(a) 2-hydroxy propane

(b) Acetophenone

(c) Methyl acetate

(d) Acetamide

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Answer:

Correct Answer: 42. (b)

Solution:

  1. Aldehyde, ketones containing CH3CO - group gives iodoform test. Also alcohol containing CH3COH group gives iodoform test.

Both gives positive iodoform test

Esters and amides do not give iodoform test.



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