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Consider the following carbanions? ...

Consider the following carbanions?

Correct order of stability is

A

I `gt` II `gt` III

B

III `gt` II `gt` I

C

II `gt` III `gt` I

D

I `gt` III `gt` II

Text Solution

Verified by Experts

The correct Answer is:
C
`-NO_(2)` group shows -M effect while `CH_(3)O-` group shows +M effect (-M effect stabilises an anion).
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BRILLIANT PUBLICATION-ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES - PART II (ISOMERISM AND REACTION MECHANISM) -LEVEL-II
  1. Which of the following is a free radical substitution reaction?

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  2. Which of the following reactions will not give Hofmann alkene?

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  3. Consider the following carbanions? Correct order of stability is

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  4. Which of the following explain why propene undergo electrophilic addit...

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  5. Examine the following statements regarding S(N)2 reaction 1. The rat...

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  6. The substitution reaction among the following is

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  7. Which among the following statements are true with respect to electron...

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  8. The arrangement of (CH(3))(3)C-,(CH(3))(2)CH-,CH(3)CH(2)- when attache...

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  9. The stability of Me(2)C=CH(2) is more than that of MeCH(2)CH=CH(2) due...

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  10. Among the following structure the one which is not a resonating struct...

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  11. The stability of carbanions in the order: I. RC-=C II. III. R(2)C=C...

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  12. The effective electrophile in aromatic sulphonation is:

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  13. Among the given compounds, the most susceptible to nucleophilic attack...

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  14. Which one of the nitrogen atoms in underset("I")(H(2)N)-underset("II")...

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  15. Which one of the following is an intermediate in the reaction of benze...

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  16. The hydrolysis of 2-bromo-3-methylbutane by S(N)1 mechanism gives main...

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  17. In an S(N)2 substitution reaction of the type R-Br+Cl^(-)overset("DMF"...

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  18. The product of which of the following reactions has the highest ease t...

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  19. Which will undergo fastest S(N)2 substitution reaction when treated wi...

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  20. Under identical conditions, S(N)1 reaction will occur most efficient w...

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