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In which of the following 2nd anion is m...

In which of the following 2nd anion is more stable than first?

A

`O_(2)N-overset(Ɵ)CH_(2) and F-overset(Ɵ)CH_(2)`

B

`overset(Ɵ)CF_(3)andoverset(Ɵ)C Cl_(3)`

C

`F_(3)C-overset(Ɵ)CH_(2)andCl_(3)C-overset(Ɵ)CH_(2)`

D

`CH_(3)-overset(O)overset(||)C-overset(Ɵ)CH_(2)andH_(2)N-overset(Ɵ)CH_(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`overset(Ɵ)C Cl_(3)` is more stabilise than `(Ɵ)CF_(3)` because of d-orbital resonance.
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HIMANSHU PANDEY-GENERAL ORGANIC CHEMISTRY-Level 2 (Q.26 To Q.50)
  1. Acylium cation has two resonating sturctures (I) and (II), R-underse...

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  2. Consider the following three amines, (1) CH(3)CH(2)-overset(* *)NH(2...

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  3. The C-Cl bond length is shortest in :

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  4. Which of the following pairs of structure are resonance structure?

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  5. Which of the following is pair of resonance structure?

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  6. The most stable diene is :

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  7. Which of the following cation would have greatest stability?

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  8. Which of the following is not valid resonance structre of polyene?

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  9. Most contributing structure in introethene is :

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  10. The most stable resonating structure of CH(3)-underset(* *)overset(* ...

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  11. Which of the following does not represent structure of ?

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  12. The correct stability order of following species is :

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  13. Choose the correct staement :

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  14. Which carbocation is most stabilised among following?

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  15. Which of the following cations is most stable?

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  16. Which of the following cations is most stable?

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  17. Which of the following cations is most stable?

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  18. Which of the folowing carbanions is most stable?

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  19. In which of the following 2nd anion is more stable than first?

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  20. Arrange the following carbanions in decreasing order of stability: C...

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