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Aldehydes, Ketones and Carboxylic Acids
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Carboxylic acids: acidity, preparation, derivatives, HVZ reaction
JEE Main level
Single correct option
Difficulty 2 of 3
co183
Dry silver butanoate,
CH
X
3
CH
X
2
CH
X
2
COOAg
, is refluxed with bromine in
CCl
X
4
. The organic product is
A
1-bromopropane
B
propanoic acid
C
2-bromobutanoic acid
D
1-bromobutane
Answer: A
Hunsdiecker reaction:
RCOOAg
+
Br
X
2
RBr
+
CO
X
2
+
AgBr
. The product has one carbon less than the acid, so the propyl bromide
CH
X
3
CH
X
2
CH
X
2
Br
forms.
Practice Aldehydes, Ketones and Carboxylic Acids
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