Which forms a polymer with ClOC(Ch2)COCl?
A - AQA - A-Level Chemistry - Question 29 - 2020 - Paper 3
Question 29
Which forms a polymer with ClOC(Ch2)COCl?
A. NH2CH2CH2NH2
B. (CH2CO)2O
C. CH3CH2CONH2
D. NH2CH2COOH
Worked Solution & Example Answer:Which forms a polymer with ClOC(Ch2)COCl?
A - AQA - A-Level Chemistry - Question 29 - 2020 - Paper 3
Step 1
Identify the reaction partner
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Answer
To determine which compound can react with ClOC(Ch2)COCl to form a polymer, we need to look for functional groups that can react with the carbonyl or the halogen present in the given compound.
Step 2
Analyze each option
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Answer
A. NH2CH2CH2NH2 contains amine groups that are capable of nucleophilic substitution or addition to the reactive sites of ClOC(Ch2)COCl.
B. (CH2CO)2O is an ether and unlikely to form a polymer with the given compound.
C. CH3CH2CONH2 has an amide functional group but is not as reactive with the halogen as option A.
D. NH2CH2COOH, having both amine and carboxylic acid, may react but does not have the optimal reactivity to form a polymer compared to option A.
Step 3
Conclusion
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Answer
Based on the analysis, the best answer is A. NH2CH2CH2NH2, as it can effectively form a polymer with ClOC(Ch2)COCl through its amine functional groups.
