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rearranges to :...

rearranges to :

A

B

C

D

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B
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Under common reaction conditions, a carboncation rearranges to another carbocation of equal or greater stability. For example secondary carbocation will rearrange to a tertiary carbocation. It will not rearrange to a less stable primary carbocation. This generalization is not absolute, and because there is not is a high energy barrier to the rearrangement of carbocations, rearrangement to a less stable cation can occur if it offers the chance to forme a more stable product. In which of the following cations rearrangement takes place?

Under common reaction conditions, a carboncation rearranges to another carbocation of equal or greater stability. For example secondary carbocation will rearrange to a tertiary carbocation. It will not rearrange to a less stable primary carbocation. This generalization is not absolute, and because there is not is a high energy barrier to the rearrangement of carbocations, rearrangement to a less stable cation can occur if it offers the chance to forme a more stable product. In which of the following cations rearrangement takes place most rapidly?

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HIMANSHU PANDEY-HALIDES-Level 1 (Q.26 To Q.48)
  1. The order of decreasing stability of the cations is : (I) CH(3)overs...

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  2. Which of the following two carbocation is more stable ?

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  3. rearranges to :

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  4. Which of the following reactions will go faster if the concentration o...

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  5. Suggest the suitable solvent for the reaction given below.

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  6. What is the principal product of the following reaction ?

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  7. Which of the following reaction is possible ?

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  8. H(3)C-overset(CH(3))overset(|)CH-underset(Cl)underset(|)CH-CH(3)unders...

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  9. The order of reactivity of alkyl halide in the reaction R-X+MgrarrRMgX...

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  10. The reaction of with RMgX, leads to the formation of :

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  11. Which of the following compounds on reaction with CH(3)MgBr will give ...

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  12. RMgBr+Aoverset(H(3)O^(⊕))rarrCH(3)CH(2)OH, R and A are :

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  13. CH(3)MgBr+CH(2)=CH-overset(O)overset(||)C-Hoverset(H(3)O^(+))rarrProdu...

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  14. The product obtained on treating acetone with ethyl magnesium bromide ...

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  15. Consider the following reaction, which of the following statement...

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  16. 2-Phenylethanol may be prepared by the reaction of phenyl magnesium br...

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  17. Order of rate of reaction of following compound with phenyl magnesium ...

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  18. Select the correct order of decreasing reactivity of the following com...

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  19. Product What is the product ?

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  20. RMgXoverset((i)CH(3)CN)underset(NH(4)Cl)rarr(A)overset(RMgX)underset(N...

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