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The addition of HBr to propylene takes p...

The addition of HBr to propylene takes place opposite to Markownikoff's rule in presence of:

A

sunlight

B

hydrogen peroxide

C

platinum catalyst

D

none of these

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The correct Answer is:
B
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Addition of HBr to propene

In the presence of peroxide addition of HBr to propene takes place according to anti Markownikoff's rule but peroxide effect is not seen in the case of HCl and HI. Explain.

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Addition of HBr to propene in presence of peroxide (antiMarkownikoff's additon) occurs when:

OP TANDON-BASIC PRINCIPLES OF ORGANIC COMPOUNDS (MECHANISM OF ORGANIC REACTIONS)-OBJECTIVE QUESTIONS (Level-A)
  1. Which one of the following statements wrong about S(N^(2)) reaction?

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  2. Which of the following statements is not correct for a nucleophiles?

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  3. The addition of HBr to propylene takes place opposite to Markownikoff'...

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  4. Anti-Markownikoff's addition is not observed in:

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  5. Ammonia is iso-structural with:

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  6. Which of the following statements is correct?

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  7. Which of the following statements is correct about a carbocation?

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  8. S(N^(1)) mechanism for the hydrolysis of an alkyl halide involves the ...

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  9. Stability of overset(+)CH(2)-CH=CH(2) can be explained by:

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  10. Nucleophilic part of the reagent attacks the substrate CH(3)CH(2)COCH(...

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  11. Which of the following is electron deficient ?

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  12. Hyperconjugation is most useful for stabilizing which of the following...

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  13. Arrange the following in order of decreasing tendency towards S(N^(2))...

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  14. The peroxide effect in anti-Markownikoff's additon involves:

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  15. The decreasing order of strength of the bases, OH^(-), NH(2)^(-), H-C-...

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  16. Which one of the following reactions proceeds through free radical cha...

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  17. Which is the decreasing oreder of acidity in the following compounds? ...

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  18. Carbocation is a reaction intermediate in which of the following react...

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  19. The compound that does not undergo hydrolysis by S(N^(1)) mechanism is...

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  20. Which one is a nucleophilic substitution reaction among the following ...

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