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Intermediate involved in Reimer-Tiemann ...

Intermediate involved in Reimer-Tiemann reaction is

A

Carbocation

B

Carbanion

C

Carbene

D

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The correct Answer is:
C
Intermediate involved in Reimer-Tiemann reaction is a carbene.
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DINESH PUBLICATION-BASIC PRINCIPLES OF ORGANIC CHEMISTRY-REVISION QUESTIONS FROM COMPETITIVE EXAMS.
  1. Which of the following is least stable carbonium ion ?

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  2. Which of the following behaves both as a nucleophile and as an electro...

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  3. Intermediate involved in Reimer-Tiemann reaction is

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  4. Among the following alkenes: {:(1-"Butene,",cis-2-"Butene",,"trans"-...

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  5. Most stable carbanion among the following is

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  6. The addition of HCN to carbonyl compounds is an example of

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  7. For the reaction of phenol with CHCl(3) in presence of KOH, the electr...

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  8. Nucleophilicity order is correctly represented by

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  9. In which of the following homolytic bond fission takes place ?

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  10. Polarization of electrons in acrolein may be written as:

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  11. Select the most stable carbocation from amongst the following

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  12. Which of the following is not a nucleophile ?

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  13. Among the following, the true property about

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  14. Consider the following carbocations (I)C(6)H(5)overset(+)CH(2) , (II...

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  15. Intermediate formed during reaction of RCONH(2) with Br(2) and KOH are...

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  16. Acetaldehyde is the rearragement product of

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  17. In the mechanism of Hoffmann reaction which intermediate rearranges to...

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  18. Which of the following is most stable ?

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  19. The reaction (CH(3))(3)Cbroverset(H(2)O)rarr(CH(3))(3)C-OH is

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  20. The arrangement of (CH(3))(3)C-,(CH(3))(2)CH-, CH(3)CH(2)- when attach...

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