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Most stable carbanion among the followin...

Most stable carbanion among the following is

A

B

C

D

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The correct Answer is:
D
`p-NO_(2)-C_(6)H_(4)-CH_(2)^(-)` is the most stable carbanion since electron withdrawing - `NO_(2)` group stabilises the carbanion by dispersal of the -ve charge.
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DINESH PUBLICATION-BASIC PRINCIPLES OF ORGANIC CHEMISTRY-REVISION QUESTIONS FROM COMPETITIVE EXAMS.
  1. Intermediate involved in Reimer-Tiemann reaction is

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

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  3. Most stable carbanion among the following is

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

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

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  6. Nucleophilicity order is correctly represented by

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

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

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  9. Select the most stable carbocation from amongst the following

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  10. Which of the following is not a nucleophile ?

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  11. Among the following, the true property about

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

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

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  14. Acetaldehyde is the rearragement product of

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

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  16. Which of the following is most stable ?

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

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

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  19. Choose the correct option which isomer for the given structure

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  20. Which of the following statements regarding the resonance energy of be...

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