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Aldol condensation between which of the ...

Aldol condensation between which of the following compounds followed by dehydration gives mesityl oxide?

A

`CH_(3)CHO` and `CH_(3)COCH_(3)`

B

two molecules of `CH_(3)COCH_(3)`

C

`CH_(3)CHO` and HCHO

D

two molecules of `CH_(3)CHO`

Text Solution

Verified by Experts

The correct Answer is:
B
`CH_(3)-underset(O)underset(||)overset(CH_(3))overset(|)(C)+CH_(3)-overset(CH_(3))overset(|)(C)Ooverset("Base")(rarr)CH_(3)-underset(OH)underset(|)overset(CH_(3))overset(|)(C)-CH_(2)-overset(CH_(3))overset(|)(C)=Ooverset(Delta)(rarr)underset("Mesityl oxide")(CH_(3)-overset(CH_(3))overset(|)(C)=CH-overset(CH_(3))overset(|)(C))=O+H-OH`
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MARVEL PUBLICATION-ALDEHYDES,KETONES AND CARBOXYLIC ACIDS-CARBOXYLIC ACIDS
  1. Aldol condensation between which of the following compounds followed b...

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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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