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Which types of bond breakage and bond formation occur in the addition polymerisation of alkenes? | bond breakage | bond formation | |---------------|----------------| | A | π only | σ only | | B | π only | σ and π | | C | σ and π | σ only | | D | σ and π | σ and π | - CIE - A-Level Chemistry - Question 30 - 2013 - Paper 1
Question 30
Which types of bond breakage and bond formation occur in the addition polymerisation of alkenes? | bond breakage | bond formation | |---------------|---------------... show full transcript
Worked Solution & Example Answer:Which types of bond breakage and bond formation occur in the addition polymerisation of alkenes? | bond breakage | bond formation | |---------------|----------------| | A | π only | σ only | | B | π only | σ and π | | C | σ and π | σ only | | D | σ and π | σ and π | - CIE - A-Level Chemistry - Question 30 - 2013 - Paper 1
Step 1
bond breakage and bond formation occur in the addition polymerisation of alkenes?
Answer
In the process of addition polymerisation of alkenes, the key bond types involved are the double bonds present in the alkenes. During this reaction, the π bond is broken, allowing for the formation of new σ bonds as monomers join together to form a polymer chain.
Thus, the correct answer is:
- Bond Breakage: π only
- Bond Formation: σ only
Reviewing the options provided:
- Option A correctly identifies this process as involving π bond breakage and σ bond formation.
- Therefore, the correct choice is A.