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In the following species, the one which ...

In the following species, the one which is likely to be intermediate during benzoin condensation of benzaldehyde, is

A

`Ph-C-=overset(o+)O`

B

C

D

`Ph-overset(Theta)=O`

Text Solution

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The correct Answer is:
B
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OP TANDON-ALDEHYDES AND KETONES -OBJECTIVE QUESTIONS (LEVEL -A)
  1. The product of the reaction is :

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  3. In the following species, the one which is likely to be intermediate d...

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  5. Reaction by which bezaldehyde can not be prepared :

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  6. Which of the following reactants on reaction with conc. NaOH followed ...

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  7. Reaction of cyclohexanone with dimethylamine in the presence of cataly...

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  8. Cyclohexene on ozonolysis followed by reaction with zinc dust and wate...

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  9. In the following reaction sequence, the correct structures of (E ), (...

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  10. An aromatic compound X with molecular formula, C(9)H(10)O gives the fo...

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  11. The most suitable reagent 'A' for the reaction

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  12. , The above ketone will not be formed by :

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  13. Which of the following combination of reagents can bring the given tra...

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  14. Identify the product (Y) in the following reaction :

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  15. Which one is most reactive towards nucleophilic addition reaction?

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  16. 'X'underset(("Reductive")) overset("Ozonolysis")rarr'Y'+'Z' 'Y' can ...

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  17. An organic compound with the molecular formula, C(8)H(8)O forms, 2,4-D...

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  18. Oxidation of toluene of benzaldehyde by the use of chromyl chloride is...

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  19. In the following sequence of reaction : "Toluene"overset(KMnO)rarr(A...

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  20. The major product in the following reaction is :

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