Which alcohol could not be produced by the reduction of an aldehyde or a ketone?
A 2,2-dimethylpropan-1-ol
B 2-methylbutan-2-ol
C 3-methylbutan-2-ol
D pentan-3-ol - AQA - A-Level Chemistry - Question 23 - 2017 - Paper 3
Question 23
Which alcohol could not be produced by the reduction of an aldehyde or a ketone?
A 2,2-dimethylpropan-1-ol
B 2-methylbutan-2-ol
C 3-methylbutan-2-ol
D pentan-3-ol
Worked Solution & Example Answer:Which alcohol could not be produced by the reduction of an aldehyde or a ketone?
A 2,2-dimethylpropan-1-ol
B 2-methylbutan-2-ol
C 3-methylbutan-2-ol
D pentan-3-ol - AQA - A-Level Chemistry - Question 23 - 2017 - Paper 3
Step 1
A 2,2-dimethylpropan-1-ol
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Answer
2,2-dimethylpropan-1-ol can be formed from the reduction of 2,2-dimethylpropanal (an aldehyde).
Step 2
B 2-methylbutan-2-ol
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Answer
2-methylbutan-2-ol can be produced by the reduction of acetone, which is a ketone.
Step 3
C 3-methylbutan-2-ol
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Answer
3-methylbutan-2-ol can be formed from the reduction of 3-methylbutan-2-one, which is also a ketone.
Step 4
D pentan-3-ol
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Answer
Pentan-3-ol cannot be produced by the reduction of any aldehyde or ketone, as it is a tertiary alcohol that cannot be derived from reducing a carbonyl compound.
