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Grade: 6
The compound that will not give iodoform on treatment with alkali and iodine is :
a. acetone
b. ethanol
c. diethyl ketone
d. isopropyl alcohol
3 years ago

Answers : (1)

Kevin Nash
askIITians Faculty
332 Points

(b) TIPS/Formulae :

Iodoform test is given by compounds having –COCH base 3 group.

In acetone –COCH base 3 group is present. Further ethanol and isopropyl alcohol get oxidized to acetaldehyde and acetone respectively (both having –COCH base 3 group) in presence of I base 2 and they in turn give the test. Thus only diethyl ketone does not give this test.

3 years ago
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