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Chapter 11: Carbonyl Compounds I: Nucleophilic Acyl Substitutions
Exercises
Practice Exercise 1
Practice Exercise 1
This activity contains 6 questions.
Which of the following compounds contains the best leaving group?
an acid anhydride
a carboxylic acid
an amide
an ester
an acyl chloride
How many sigma bonds are there between the carbonyl carbon and the delta-carbon?
1
2
3
4
5
Which of the following compounds contains a nitrogen bonded to two hydrogens?
dimethylformamide
N
-cyclohexylpropanamide
delta-valerolactam
benzamide
benzonitrile
Which of the following correctly describes the location of the two nonbonding electron pairs on the carbonyl oxygen?
Both pairs are in
sp
3
orbitals.
One pair is in an
sp
3
orbital, and the other is in an
sp
orbital.
One pair is in an
sp
orbital, and the other is in a
p
orbital.
Both pairs are in
sp
2
orbitals.
One pair is in an
sp
2
orbital, and the other is in an
sp
3
orbital.
Which of the following reactions results in the formation of a carboxylic acid?
a: acyl halide + H
2
O
b: nitrile + H
2
O
c: ester + H
2
O + H
+
all of the above
a and c
Which of the following pairs of compounds could be used to prepare propyl butanoate?
butanoyl chloride and 1-pentanol
butanoyl chloride and 1-propanol
propanoyl chloride and 1-butanol
butanoyl chloride and phenol
butanamide and 1-propanol
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