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Consider the following carbocations : ...

Consider the following carbocations :
(I) `C_(6)H_(5)overset(+)(C )H_(2)`
(II) `C_(6)H_(5)CH_(2)overset(+)(C )H_(2)`
(III) `C_(6)H_(5)overset(+)(C )HCH_(3)`
(IV) `C_(6)H_(5)overset(+)(C )(CH_(3))_(2)`
The correct sequance of the stability of these is :

A

II < I < III < IV

B

II < III < I < IV

C

III < I < II < IV

D

IV < III < I < II

Text Solution

Verified by Experts

The correct Answer is:
A
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OP TANDON-BASIC PRINCIPLES OF ORGANIC COMPOUNDS (MECHANISM OF ORGANIC REACTIONS)-OBJECTIVE QUESTIONS (Level-A)
  1. The set with correct order of acidity is :

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  2. Which of the follwing compounds is most basic ? .

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  3. Consider the following carbocations : (I) C(6)H(5)overset(+)(C )H(2)...

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  4. :CH(2)-underset(underset(..)(O: ))underset(||)(C )-CH(3) and H(2)C=und...

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  5. Arrangements of (CH(3))(3)C-,(CH(3))(2)CH-,CH(3).CH(2)- when attached ...

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  6. Which of the following statements regarding the resonance energy of be...

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  7. The strongest base in aqueous solution among the following amines is :

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  8. As S(N^(2)) reaction at an asymmetric carbon of a compound always give...

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  9. Among the following, the least stable resonance structure is :

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  10. Which the following compound undergoes nucleophilic substitution react...

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  11. The corret order of increasing basicity of the given conjugated bases ...

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  12. Which of the following is correct for stability of phenoxide ion?

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  13. In the anion HCOO^(-), the two carbon-oxygen bonds are found to be equ...

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  14. Which of the following is a free radical substitution reaction?

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  15. Among the following compounds, the decreasing order of reactivity towa...

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  16. Arrange the following nucleophiles in the order of their nucleophilic ...

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  17. Identify the correct order of reactivity in electrophilic substitution...

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  18. Which one of the following is not true regarding electromeric effect?

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  19. Which of the following acids has the smallest dissociation constant?

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  20. H(3)C-underset(D)underset(|)CH-underset(CH(3))underset(|)(C)H(3)+Br^(*...

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