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In the reaction of hydrogen bromide with...

In the reaction of hydrogen bromide with an alkene (in the absence of peroxides), the first step of the reaction is the ............. to the alkene.

A

fast addition of an electrophilic

B

slow addition of an electrophile

C

fast addition of a nucleophilic

D

slow addition of a nucleophile

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The correct Answer is:
B
Formation of carbocation is the rate determining step.
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MS CHOUHAN-HYDROCARBONS (ALKENES)-LEVEL-2
  1. In the reaction of hydrogen bromide with an alkene (in the absence of ...

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  2. In each reagent box write a letter designating the best reagent and co...

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  3. Propene (CH3 – CH = CH2) can be transformed to compounds (a to j) list...

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  4. In each reaction box write a single letter designating the best reagen...

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  5. Match the reagents a-j with products A-J. There is one best product fo...

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  6. Match the column :

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  7. Match the column I with column II and with column III (Matrix).

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  8. Match the column I and II.

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  9. Sum of molecular mass of A, B, C, D (i.e. A+B + C + D) is equal to :

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  10. underset("(all isomers) ")(C2FClBrl) underset(Ni) overset(H2)to (A)(ex...

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  11. Match the following columns

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  12. Vladimir Markovnikov rule : Alkenes undergo electrophilic addition rea...

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  13. Vladimir Markovnikov rule : Alkenes undergo electrophilic addition rea...

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  14. Vladimir Markovnikov rule : Alkenes undergo electrophilic addition rea...

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  15. Vladimir Markovnikov rule : Alkenes undergo electrophilic addition rea...

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  16. Vladimir Markovnikov rule : Alkenes undergo electrophilic addition rea...

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  17. Vladimir Markovnikov rule : Alkenes undergo electrophilic addition rea...

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  18. CH3 - CH2-CH=CH2+CH2 OH overset(H^(o+))to CH3-CH2- underset(OCH3) un...

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  19. CH3 - CH2-CH=CH2+CH2 OH overset(H^(o+))to CH3-CH2- underset(OCH3) un...

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  20. CH3 - CH2-CH=CH2+CH2 OH overset(H^(o+))to CH3-CH2- underset(OCH3) un...

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  21. CH3 - CH2-CH=CH2+CH2 OH overset(H^(o+))to CH3-CH2- underset(OCH3) un...

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