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Aldehude with NH(2)NH(2) forms...

Aldehude with `NH_(2)NH_(2)` forms

A

aniline

B

hydrazones

C

nitrobenzene

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
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OP TANDON-ALDEHYDES AND KETONES -OBJECTIVE QUESTIONS (LEVEL -A)
  1. CH(3)COCH(3) and CH(3)CH(2)CHO can be distinguished by :

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  2. On reaction with hydroxylamine, aldehydes produce:

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  3. Aldehude with NH(2)NH(2) forms

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  4. The reagent most suitable for converting a primary alcohol into an ald...

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  5. Which is the correct alternate ?

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  6. CH(3)CH(2)-=Noverset(X)rarrCH(3)CH(2)CHO the compound X is :

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  7. Reduction of aldehydes and ketones into hydrocarbons using hydrazine a...

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  8. 3-hydroxybutanal formed when X reacts whith Y in dilute Z solution. Wh...

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  9. A writing reaction with an aldehyde gives :

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  10. In the given transformation which of the following is the most appropr...

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  11. Which of the following pathways produces 2-hexanone? (i)1-Hexyne is...

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  12. In a reaction RCHO is reduced to RCH(3) usig amalgamated zinc and cenc...

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  13. CH(3)COOHoverset(LiAlH(4))rarr(X)underset(5736K)overset(Cu)rarr(Y)over...

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

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

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  16. Which of the following will not be formed when calcium formate is dist...

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  17. Aldol condensation does not occur between

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  18. Which factor/s will increase the reactivity of group? (i)Presence ...

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  19. The major organic product formed in the following reaction is

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  20. Which of the following reactions will not result in the formation of c...

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