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During reduction of carbonyl compounds b...

During reduction of carbonyl compounds by `H_(2)N NH_(2)` and `KOH`, the first intermediane is :

A

`PC -= N`

B

`RCONH_(2)`

C

`RCH = NH`

D

`RCH = "NNH"_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
`RCH=O + H_(2)N NH_(2)overset(-H_(2)O)rarrRCH=N NH_(2)`
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DINESH PUBLICATION-ALDEHYDES AND KETONES -Multiple Choice
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  3. During reduction of carbonyl compounds by H(2)N NH(2) and KOH, the fir...

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  4. Which will not give formaldehyde on heating or upon distillation ?

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  5. When ethanal is heated with Fehling's solution, it gives a precipitate...

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  6. Acetone on heating with conc. H(2)SO(4) gives :

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  7. Which alkene on ozonolysis gives CH(3)CH(2)CHO and CH(3)underset(O)und...

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  8. Toluene reacts with chromyl chloride to form :

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  9. The reagent used for the separation of acetaldehyde from acetophenone ...

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  10. Which can be oxidized to the corresponding carbonyl compound?

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  11. The product of the following reaction are CH(3)C=C.CH(2)CH(3)=overse...

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  12. Nucleophilic addition reaction will be most favoured in

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  14. Which of the compounds with molecular formula C(5)H(10)yields acetone ...

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  15. Which of the following on treatment with aqueus sodium hydroxide will ...

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  18. The order of reactivity of phenyl magnesium bromide with the following...

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  19. Predict the product in the given reaction :

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