Question

Which polymer of polypropylene has the methyl groups randomly distributed along the chain? a) Atactic polypropylene

b) Isotactic polypropylene
c) Syndiotactic polypropylene
d) Copolypropylene

Answer 1

The polymer of polypropylene with randomly distributed methyl groups along the chain is atactic polypropylene. The correct answer is A.

Step-by-step explanation:

The polymer of polypropylene with the methyl groups randomly distributed along the chain is known as atactic polypropylene.

Different types of Polypropylene

There are three stereoisomers of polypropylene which are:

• Isotactic polypropylene - where methyl groups are oriented on the same side of the carbon chain.
• Syndiotactic polypropylene - where methyl groups alternate sides of the carbon chain.
• Atactic polypropylene - where methyl groups are placed randomly along the carbon chain.
• Copolypropylene - a copolymer of propylene with other monomers such as ethylene.

Given the options, atactic polypropylene is the correct answer as it best describes the arrangement of random methyl groups. Polypropylene is a versatile material used in various industries, often selected for its sturdiness and resistance to fatigue.