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Enthanal reacts with alkali to give 3-hy...

Enthanal reacts with alkali to give 3-hydroxybutanal. The reacation is:

A

polymerisation

B

Claisen condensation

C

aldol condensation

D

none of these

Text Solution

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The correct Answer is:
C
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OP TANDON-ALDEHYDES AND KETONES -OBJECTIVE QUESTIONS (LEVEL -A)
  1. The aldol condensationof acetaldehyde results in the formation of :

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  2. Match the following lists : {:((A),"Grignard reagent",(1)H(2)//Pd-Ba...

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  3. Enthanal reacts with alkali to give 3-hydroxybutanal. The reacation is...

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  4. Arrange the following compounds in increasing order of their reactivit...

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  5. Clemmensen's reduction will convert cyclohexanone into:

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  6. For obtaining butan-2-one from acetyl chloride, which of the following...

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  7. To distinguish between 2-pentanone and 3-pentanone which reagent can b...

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  8. The final product (Y) formed in the reaction

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  9. Consider the reaction RCHO + NH(2)NH(2) rarr R - CH = N NH(2) What...

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  10. If a compound gives an organ or red precipitate with 2,4 dinitrophenyl...

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  11. By which one of the following reactions ketones cannot be prepared ?

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  12. Dialkyl cadmium reacts with a compound to from a ketone. The compound ...

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  13. Out of butane, butan-1-ol, butanal and butanone, the decreasing order ...

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  14. Acetaldehyde is converted to ethane by Wolff-Kishner reduction. Acetal...

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  15. Acetone is mixed with bleaching powder to give

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  16. CH(3)CHO and C(6)H(5)CH(2)CHO can be distinguished chemically by

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  17. Cyanohydrin of which of the following forms lactic acid

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  18. Aldol condensation between which of the following compounds followed b...

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  19. A natural compound (X). C(4)H(8) O(2). Rduces Fehling's solution , lib...

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  20. Cannizzaro's reaction is an example of auto oxidation

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