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Aldehydes, Ketones and Carboxylic Acids
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Aldol, Cannizzaro, Perkin, Claisen and related condensations
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Difficulty 1 of 3
co059
The number of alpha-hydrogen atoms in propanone,
CH
X
3
COCH
X
3
, is
A
3
B
4
C
6
D
2
Answer: C
Alpha-hydrogens are those on carbons directly attached to the carbonyl carbon. Both methyl groups are attached to C=O, so
2
×
3
=
6
.
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