EVERYDAY SCIENCE

SCIENCE

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What structural feature must a molecule have in order to undergo addition polymerization?
A
Two functional groups
B
A carbon-carbon double bond
C
Carbon atoms singly bonded together
D
A polar covalent bond
Explanation: 

Detailed explanation-1: -Answer and Explanation: Addition polymers are formed when simple monomers link with one another to form a long polymer chain. Generally, the polymers are formed from monomers like alkenes and alkaline, for which a carbon-carbon double or triple bond is required.

Detailed explanation-2: -Molecules having carbon-to-carbon double bonds can undergo addition polymerization.

Detailed explanation-3: -The initiation of addition polymerization (in above case, the breaking of a double bond) requires catalysts, pressure, heat or UV light. The growing polymer chain is a free radical in the polymerization. Terminal radicals are required for ending the reaction.

Detailed explanation-4: -Answer and Explanation: A monomer for it to be used in addition polymerization has to have a double bond. Addition polymers are formed from the addition reaction of alkenes.

Detailed explanation-5: -Molecules that form repeating units are called monomers. Alkenes can undergo addition polymerisation to create polyalkenes. The double carbon bond can be opened to enable each carbon from the double bond to form new bonds with another repeating unit.

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