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-... show full transcript
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
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
2,2-dimethylpropan-1-ol can be produced by the reduction of the corresponding ketone, 2,2-dimethylpropan-2-one.
Step 2
B) 2-methylbutan-2-ol
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
2-methylbutan-2-ol can be obtained from the reduction of 2-methylbutan-2-one.
Step 3
C) 3-methylbutan-2-ol
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
3-methylbutan-2-ol can be synthesized through the reduction of 3-methylbutan-2-one.
Step 4
D) pentan-3-ol
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Pentan-3-ol can be formed by reducing pentan-3-one, so the option is feasible.
Step 5
Conclusion
97%
117 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Among the given options, all can be produced through reduction of aldehydes or ketones. However, considering the structure and the positions of carbon atoms, 2,2-dimethylpropan-1-ol cannot be synthesized through the reduction of a typical aldehyde or ketone due to sterics preventing the reaction. Hence, the correct answer is A) 2,2-dimethylpropan-1-ol.
