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Which is the correct order of stability ...

Which is the correct order of stability of carbanion
(I). `F-CH_(2)-CH_(2)-CH_(2)^(ɵ)`
(II). `O_(2)N-CH_(2)-CH_(2)-CH_(2)^(ɵ)`
(III). `Cl-CH_(2)-CH_(2)-CH_(2)^(ɵ)`
(IV). `Me_(3)overset(o+)(N)-CH_(2)-CH_(2)-CH_(2)^(ɵ)`

A

IgtIIIgtIIgtIV

B

IVgtIgtIIIgtII

C

IVgtIIgtIgtIII

D

IVgtIIIgtIgtII

Text Solution

Verified by Experts

The correct Answer is:
C
Stability of carbanion: Electron with drawing group increases the stability of carbanion.
order of -I effect or withdrawing group.
`overset(o+)(N)Me_(3) gt NO_(2) gt F gt Cl`
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BANSAL-GENERAL ORGANIC CHEMISTRY-Exercise 1
  1. Which is the correct order of stability of carbanion (I). F-CH(2)-CH...

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  2. Select the least acidic compound.

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  3. Select the most acidic compound

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  4. Arrange acididy of given compounds in decreasing order (I). CH(3)-N-...

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  5. Hyperconjugation is best decribe as:

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  6. Select the correct statement (i). Delocalisation of sigma-electron i...

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  7. Which of the following compound is non aromatic:

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  8. underset((I))(CH(2)=CH-CH=CH-CH(3)) is more stable than underset((II))...

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  9. Which of the following is not a valid resonating of the other three?

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  10. In which of the following molecules pi-electron density in ring is max...

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  11. In which of the following molecules pi-electron density in ring is min...

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  12. Which of the following has longest C-O bond

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  13. Select the least stble resonating structure in each of the following s...

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  14. Select the most stable intermediate

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  15. Write correct order regarding stability of intermediates (I). CH(2)=...

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  16. Rate of abstraction of iodine by Ag^(o+) is

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  17. Which of the following alkene is most stable alkene.

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  18. Which of the following is lowest pKa value?

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  19. Which of the following will give effervesce of CO(2) with NaHCO(3)

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  20. Select the one which does not results in the formation of aromatic spe...

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