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Chapter 8: Q24P (page 318)

What is the major product obtained from the addition of hbr to the following compound.

Short Answer

Expert verified

Because of formation of carbocation the product formed from the reaction of HBr to prop-2-enyl benzene is:

Step by step solution

01

What is carbocation?

A carbocation is a ion with positive charge on a carbon atom. The order of stability of carbocation is :

Tertiary > Secondary > Primary

02

Explanation

The rule which state that the electrophile adds to the sp2 carbon which has more number of hydrogen cannot be applied to reactions that forms carbocation that can be stabilized by electron delocalisation.

So the product formed from the reaction of prop-2-enyI benzene with HBr is

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Most popular questions from this chapter

Which of the following compounds could be protonated without destroying its aromaticity?

Draw the products obtained from the reaction of one equivalent of HBr with one equivalent of 1,3,5-hexatriene.

a. Which product(s) will predominate if the reaction is under kinetic control?

b. Which product(s) will predominate if the reaction is under thermodynamic control?

On a single graph, draw the reaction coordinate diagram for the addition of one equivalent of HBr to 2 methyl-1,3-pentadiene and for the addition of one equivalent of HBr to 2-methyl-1,4-pentadiene. Which reaction is faster?

The triphenylmethyl cation is so stable that a salt such as triphenylmethyl chloride can be isolated and stored. Why is this carbocation so stable?

What are the products of the following reactions, assuming that one equivalent of each reagent is used in each reaction?
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