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The descending order of stability of the...

The descending order of stability of the carbonium ions
`underset(" "(I))overset(" "+)(C_(6)H_(5)CH_(2)),underset(" "(II))overset(" "+)(p-(CH_(3)O)C_(6)H_(4)CH_(2)),,underset(" "(III))overset(" "+)(p-(NO_(2))C_(6)H_(4)CH_(2))" and "underset(" "(IV))overset(" "+)(p-(CH_(3))C_(6)H_(4)CH_(2))` is

A

`IVgtIIgtIgtIII`

B

`IIgtIVgtIIIgtI`

C

`IIgtIVgtIgtIII`

D

`IVgtIIgtIIIgtI`.

Text Solution

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The correct Answer is:
C
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MODERN PUBLICATION-ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES-Multiple Choice Questions Level - II
  1. Which amongest the following is the most stable carbocation ?

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  2. The general formula which represents the homologous series of alkanols...

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  3. The descending order of stability of the carbonium ions underset(" ...

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  4. Which of the following is the correct IUPAC name ?

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  5. The IUPAC name for

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  6. Electronegativity of carbon atoms depends upon their state of hybridis...

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  7. What is the correct order of decreasing stability of the following cat...

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  8. The reaction represents

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  9. What of the following reaction represents alpha,gamma elemination reac...

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  10. The IUPAC name of the following compound

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  11. The IUPAC name of

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  12. The IUPAC name of the following compound is (CH(3))(2)CH-CH(2)CH=CH-...

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  13. Which of the following is a correct name according to IUPAC rules ?

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  14. The stablest radical among the following is

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  15. Among the following carbocations : "(I) "Ph(2)C^(+)CH(2)Me" (II...

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  16. The bond between carbon atoms 1 and 2 in the compound : N-=overset(1...

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  17. Which of the following compounds has wrong name ?

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

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  19. The reaction : (CH(3))(3)CBroverset(H(2)O)(to)(CH(3))(3)COH is

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  20. The IUPAC name of CH(3)COCH(CH(3))(2) is :

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