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Pick out the most stable carbonium ion:...

Pick out the most stable carbonium ion:

A

`C_(6)H_(5)-overset(+)underset(C_(6)H_(5))underset(|)C-C_(6)H_(5)`

B

`CH_(3)-overset(+)underset(CH_(3))underset(|)C-CH_(3)`

C

`CH_(3)-overset(+)CH-CH_(3)`

D

`CH_(3)-CH_(2)-overset(+)CH_(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
Most stable carbocation is
`underset("It is resonance stabilised.")underset()(C_(6)H_(5)-overset(+)underset(C_(6)H_(5))underset(|)C-C_(6)H_(5))`
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DINESH PUBLICATION-BASIC PRINCIPLES OF ORGANIC CHEMISTRY-REVISION QUESTIONS FROM COMPETITIVE EXAMS.
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  2. The names of some compounds are given. Which one not in the IUPAC syst...

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  3. Pick out the most stable carbonium ion:

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  4. Electrophilic reagents are

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  5. Heterolytic cleavage of a covalent bond gives only,

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  6. The reation CH(3)CH(2)Br+overset(-)OHrarrCH(3)CH(2)OH+Br^(-) is an...

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  7. Which of the following contains three pairs of electrons in the valenc...

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  8. Heterolysis of carbon-chlorine bond produces

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  9. Which of the following is an electrophilic reagent ?

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  10. The most stable carbonium ion is,

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  11. Homolytic fission of carbon-carbon bond of ethane produces an intermed...

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  12. The typical reaction of olefinic bond is

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  13. The homolytic fission of hydrocarbon results in the formation of

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  14. Which of the following is an example of elimination reaction?

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  15. The most stable free radical among the following is

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  16. Which of the following is the most stable carbocation (carbonium ion) ...

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  17. Which of the following is not a nucleophile?

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  18. Which of the following ion is most stable ?

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  19. Which of the following is least stable ?

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  20. To which of the following four types does this reaction belong ?

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