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Which of the aldehydes is most reactive ...

Which of the aldehydes is most reactive towards nucleophilic addition?

A

`HCHO`

B

`CH_3 CHO`

C

`C_6 H_5 -CHO`

D

All are equally reactive

Text Solution

Verified by Experts

The correct Answer is:
A
As the R group (+I effect) increases, the reactivity of aldehyde decreases.
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ACCURATE PUBLICATION-ALDEHYDES ,KETONES AND CARBOOXALIC ACIDS-PART-A (ALDEHYDES AND KETONES -MULTIPLE CHOICE QUESTIONS (1 MARK))
  1. Acetaldehyde cannot exhibit :

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  2. Base catalyzed aldol condensation occurs with

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  3. Which of the aldehydes is most reactive towards nucleophilic addition?

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  4. Aldehyde and ketones cannot be distinguished by:

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  5. Which of the following is incorrect?

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  6. Reduction of > C = O to CH2 can be carried out with :

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  7. During reduction of carbonyl compound by H2"NN"H2 and KOH the first i...

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  8. Cross aldol condensation occurs between

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  9. Vinegar is solution of acetic acid which is :

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  10. Lower carboxylic acids are soluble in water due to

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  11. Carboxylic acids are more acidic than phenols and alcohols because of

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  12. The major product of nitration of benzoic acid is :

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  13. Which is false in case of carboxylic acids ?

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  14. The elimination of CO2 from carboxylic acids is known as

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  15. Which of the following has maximum acidic strength ?

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  16. The product obtained by the reaction of an aldehyde and hydroxyl amine...

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  17. The reagent which does not react with both acetone and benzaldehyde :

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  18. Fill in the blanks- The method of separating pieces of stones from the...

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  19. If formaldehyde and KOH are heated, then we get

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  20. Fill in the blanks- is a kind of sieve that is used to separate solid...

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