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Which of the following is ortho-para dir...

Which of the following is ortho-para directing group ?

A

`-NHCOCH_3`

B

`-NO_2`

C

`-CN`

D

`-CHO`

Text Solution

Verified by Experts

The correct Answer is:
A
`NHCOCH_3`is ortho-para directing group. NO, CN and CHO are meta-directing groups.
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ACCURATE PUBLICATION-ALDEHYDES ,KETONES AND CARBOOXALIC ACIDS-PART-A (ALDEHYDES AND KETONES -MULTIPLE CHOICE QUESTIONS (1 MARK))
  1. What is the main reason for the fact that carboxylic acid can undergo ...

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  2. When 2-hydroxy benzoic acid is distilled with zinc dust is gives

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  3. Which of the following is ortho-para directing group ?

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  4. Which of the following is a meta directing group ?

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  5. In Cannizzaro reaction, two molecules of aldehydes are reacted to prod...

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  6. HBr reacts fastest with

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  7. Glycine and Alanine are different with respect to one substituent on t...

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  8. Which of the following substance produce acetaldehyde on drydistillati...

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  9. Which of the following aldehyde is a gas at room temperature ?

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  10. The carbon atom of the carbonyl group is :

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  11. Formalin is ..................% solution of formaldehyde in Water

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  12. Which of the following substances does not give iodoform test?

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  13. Which of the following aldehydes shows rapid reaction with sodium nitr...

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  14. Which of the following reactions may be associated with aldehyde and k...

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  15. Ketones are comparatively less reactive than aldehydes. It is due to

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  16. Which of the following do not give aldol condensation reactions ?

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  17. Which of the following is not a antacid ?

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  18. Formaldehyde and lactose are combined to produce throat lozenges named...

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  19. The formula of haloform is :

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  20. Formaldehyde condenses with phenol in the presence of dilute H2 SO4 to...

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