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Aldol condensation of acetaldehyde invol...

Aldol condensation of acetaldehyde involves the Formation of which of the following intermediate

A

Acetate ion

B

A carbanion

C

A carbonium ion

D

A free radical

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The correct Answer is:
B
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ERRORLESS -ALDEHYDES AND KETONES -Ordinary Thinking (Objective Questions) Properties
  1. Which of the following does not reduce Fehling's solution

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  2. A compound (A) C(5)H(10) Cl(2) on hydrolysis gives C(5)H(10)O which re...

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  3. Aldol condensation of acetaldehyde involves the Formation of which of ...

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  4. The typical reactions of aldehyde is

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  5. Which of the following react with NaHSO(3)

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  6. Which of the following compounds containing carbonyl group will give c...

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  7. Aldehydes and ketones can be reduced to corresponding hydrocarbons by ...

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  8. The diketone CH(3)-overset(O)overset(||)(C )-(CH(2))(2)-overset(O)over...

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  9. Aldehydes that do not undergo aldol condensation are (1) propanal (...

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  10. The compound that neither forms semicarbazone nor oxime is

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  11. Which one of the following reagents is used to reduce an aldehyde to p...

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  12. Magenta is

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  13. Formalin is an aqueous solution of

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  14. Aldol condensation involving CH(3)CHO + CH(3)CHO gives the product

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  15. Cannizzaro reaction is given by

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  16. A compound has a vapour density of 29. on warming an aqueous solution ...

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  17. Haloform test is given by the following substance

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  18. The synthesis of crotonaldehyde from acetaldehyde is an example of ......

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  19. When NH(2)OH reacts with an usymmetrical ketone then numver of product...

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  20. The most suitable reagent A, for the reaction is (are)

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