MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Electrophilic Substitution

Excess of iso...

Question

Excess of isobutane on reaction with $B r_{2}$ in presence of light at $125^{o} C$ gives which one of the following, as the major product?

A

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

B

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A

Halogenation alkane undergoes free radical mechanism.
Tertiary free radicals are more stable tha primary,
Hence, $C - H$ bond breaking is favourable in tertiary carbon and thus, it gives the major product as shown below:

Suggest Corrections

thumbs-up

19

Similar questions

Q. Which of the following compound(s) on reaction with

B r_{2} / h ν

3^{\circ}

halide as a major product?

Q. Treatment of benzene with

C O / H C l

in the presence of anhydrous

A l C l_{3} / C u C l

followed by reaction with

A c_{2} O / N a O A c

gives compound X as the major product. Compound X upon reaction with

B r_{2} / N a_{2} C O_{3}

, followed by heating at 473 K with moist

K O H

furnishes Y as the major product. Reaction of X with

H_{2} / P d - C,

H_{3} P O_{4}

treatment gives Z as the major product.
The compound Y is:

Q. Nitrobenzene reacts with

{B r}_{2}

in the presence of

F e {B r}_{3}

to give m-bromonitrobenzene as the major product. Which of the following provides the best reason for the formation of m-bromonitrobenzene as the major product?

Q. Chlorobenzene on reaction with acetyl chloride in presence of anhydrous

A l C l_{3}

gives major product of:

2

-methyl butane on reaction with

B r_{2}

in the presence of sunlight mainly gives:

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Synthesis of Aryl Halides

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Electrophilic Substitution

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon