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Aldol condensation does not occur betwee...

Aldol condensation does not occur between

A

Two different aldehydes

B

Two different ketones

C

An aldehyde and ketone

D

An aldehyde and an ester

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The correct Answer is:
D
In aldol condensation two or more molecules of same or different carbonyl compounds containing `alpha-H` atom unite together in presence of dil. `NaOH, Ba(OH)_(2)`, etc. to form a condensation product called aldol. This reaction may occur between (i) same or different aldehydes (ii) an aldehyde and ketone and (iii) same or different ketones.
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ERRORLESS -ALDEHYDES AND KETONES -Ordinary Thinking (Objective Questions) Properties
  1. Total number of organic products obtained by the reduction of methyl e...

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  2. Compound (A) undergoes Cannizzaro reaction and (B) undergeos positive ...

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  3. Aldol condensation does not occur between

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  4. Which of the following statements is not correct

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  5. Benzophenone can be converted into benzene using

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  6. The product formed by the reaction of chlorine with benzaldehyde in th...

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  7. Consider the following statement acetophenone can be prepared by (1)...

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  8. Which one of the following pairs is not correctly matched ?

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  9. The product of following reaction

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  10. CH(3)-CHO+HCNrarrX Compound X on hydrolysis gives

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  11. Which one of the following NOT give a primary alcohol on reduction ?

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  12. One mole of an organic compound is found to require only 0.5 mol of ox...

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  13. Contents of three bottles were found to react (i) Neither with Fehli...

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  14. ArH + R -overset(O)overset(||)(C )-CI overset("Lewis acid")rarr Ar-ove...

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  15. (A) Lower aldehydes and ketones are soluble in water but solubility de...

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  16. Assertion: Acetaldehyde on treatment with alkali gives aldol. Reason...

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  17. STATEMENT -I : Acetophenone and benzophenone can be distinguished by ...

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  18. Assertion: Isobutanal does not give iodoform test. Reason : It does ...

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  19. Assertion: Benzaldehyde is more reactive than ethanal towards nucleoph...

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  20. Assertion : Aldol condensation can be catalysed both by acids and base...

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