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Which of the following reagents can form...

Which of the following reagents can form a hydrazone with alkanone ?

A

`NH_2OH`

B

`PhNHNH_2`

C

`NH_2NHCONH_2`

D

`HCN`

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-ALDEHYDES AND KETONES-LEVEL-I(EXERCISE-II)
  1. Which one of the following compounds reacts with saturated solution of...

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  2. Identify acetaldoxime

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  3. Which of the following reagents can form a hydrazone with alkanone ?

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  4. 3-Hydroxy butanal is formed when (X) reacts with (Y) in dilute (Z) sol...

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  5. Which of the following reagents converts both acetaldehyde and acetone...

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  6. Which of the following reacts at a faster rate to form cyanohydrin

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  7. Which of the following statements is right

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  8. Which of the following statements are true

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  9. Which sequence of steps is useful to convert benzene to p-chlorobenzad...

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  10. Which of the following reaction gives (CH3)2 CHCH2 COCH3

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  11. Which of the following is the product of the sequence of the reactions

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  12. The products formed is/are

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  13. Fehling's solution gives red precipate on reaction with

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  14. The structure of the major product 'B' is

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  15. Acetone when allowed to react with excess benzaldehyde in presence of ...

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  16. Which of the following is likely to have lowest p^(Ka) value

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  17. alpha- hydrogens of nitroalkane behave like acidic hydrogens. Consider...

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  18. The structure of the product is

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  19. For which of the following compound equilibrium constant for underline...

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  20. The products are

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