Diols in which both hydroxy groups are bonded to the same carbon atom can spontaneously eliminate a molecule of water to produce a carbonyl compound. Which compound, after complete hydrolysis, gives a silver mirror with Tollens' reagent?
A.
1,1-dibromobutane
B.
1,2-dibromobutane
C.
1,3-dibromobutane
D.
2,2-dibromobutane
Exam No：9701_w20_qp_12 Year：2020 Question No：25
Answer:
A
Knowledge points:
17.1.1.1 the oxidation of primary alcohols using acidified and distillation to produce aldehydes
17.1.1.2 the oxidation of secondary alcohols using acidified or acidified and distillation to produce ketones
17.1.4 describe the use of 2,4-dinitrophenylhydrazine (2,4-DNPH reagent) to detect the presence of carbonyl compounds
Solution:
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