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The compound that will not give iodoform...

The compound that will not give iodoform on treatment with alkali and iodine is :

A

acetone

B

ethanol

C

diethyl ketone

D

isopropyl alcohol

Text Solution

Verified by Experts

The correct Answer is:
C
Iodoform test is given by compounds having
`-overset(O)overset(||)(C) - CH_(2)`or `-overset(OH)overset(|)(C)H-CH_(3)` group.
Acetone `(CH_(3)-underset(O)underset(||)(C)-CH_(3))` contains this group whereas ethanol is isopropyl alcohol get oxidised to acetaldehyde `(CH_(3)CHO)` and acetone `( CH_(3)-underset(O)underset(||)(C)-CH_(3))` respectively in presence of `I_(2)` and they therefore give iodoform test.Hence only diethyl ketone
`(C_(2)H_(5)-overset(O)overset(||)(C)-C_(2)H_(5))` does not give iodoform test.
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  2. In the case of carboxylic acids,the alpha-carbon is the carbon:

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  3. General formula for mono-carboxylic acid is :

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  4. Aliphatic carboxylic acid are functional isomers of

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  5. Compound having molecular formula C(3)H(6)O(2) is:-

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  6. Which of the following formula represent chloroethanoic acid ?

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  7. Fatty acids are

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  8. General formula for mono-carboxylic acid is :

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  9. Which of the following is example of tricarboxylic acid ?

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  10. Glacial acetic acid is the same as :

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  11. Which of the follwong compound does not have a carboxyl group.

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  12. Acetic acid is a weak acid because :

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  13. Which one of the following is ethanoic acid ?

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  14. The common name of CH(3)(CH(2))(16)COOH acid is :

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  15. The I.U.P.A.C. name of CH(3)-CH(2)-underset(CH(3))underset(|)(C)H-CH(2...

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  16. The I.U.P.A.C. name of lactic acid CH(3)CHOHCOOH is :

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  17. The IUPAC name of the compound :

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  18. Which of the following acids occur in ants ?

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  19. Most of the carboxylic acids exists as dimer in

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  20. Acetic acid can be separated from aqeous solution of acetic acid,at wh...

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  21. Which of the following is isobutyric acid?

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