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Multiple Choice
A) 1 < 2 < 3
B) 2 < 3 < 1
C) 3 < 1 < 2
D) 2 < 1 < 3
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Multiple Choice
A) (COCl) 2
B) SOCl2
C) KCl
D) both A and B
E) both B and C
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Multiple Choice
A) The carbonyl carbon in a carboxylic acid does not give a 13C signal in a 13C-NMR spectrum.
B) The carbonyl carbon in a carboxylic acid gives a 13C signal in the same region as a carbonyl carbon from a ketone or aldehyde - in the range of 200 ppm.
C) The carbonyl carbon of a carboxylic acid splits a proton signal into a doublet in an H-NMR spectrum.
D) The carbonyl carbon in a carboxylic acid gives a 13C signal in the same region as a carbonyl carbon from an ester or amide in the range of 150 to 180 ppm.
E) The carbonyl carbon in a carboxylic acid cannot be distinguished from an aromatic carbon because they both give signals in the range of 110 to 130 ppm.
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