Question

Question: a) Draw all constitutional isomers formed by monochlorination of each alkane with Cl₂and hν. (b) Draw the major monobromination product formed by heating each alkane with Br₂.

Short answer

Answer

(a)

(b)

Step-by-step solution

Constitutional isomers

Another name that is employed to indicate structural isomers are constitutional isomers. The atomic organization, as well as the bonding pattern, varies in the case of constitutional isomers.

Halogenation of alkanes

Alkane halogenations come under the category of substitution reactions. Halogenation of alkenes leads to the generation of a hydrocarbon derivative where the halogen atoms are substituted in the place of hydrogen atoms.

Products formed by the monochlorination and monobromination of the given compound

(a) The given molecule is 2,2,5-trimethylhexane, and it consists of five isomers formed by the reaction of 2,2,5-trimethylhexane with in the presence of light. The isomers can be given as:

Isomers of compound A

The given molecule is 1,1,3-trimethylcyclobutane, and it consists of four isomers when it is reacted with Cl₂ in the presence of light. The isomers can be given as:

Isomers of compound B

(b)The major product that is formed by the treatment of 2,2,5-trimethylhexane with Br₂ can be given as:

Treatment of 2,2,5-trimethylhexane with Br₂

The major product that is formed by the treatment of 1,1,3-trimethylcyclobutane with Br₂can be given as:

Treatment of 1,1,3-trimethylcyclobutane with Br₂