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Byju's Answer
Standard XII
Chemistry
Longest Chain Rule
Give any two ...
Question
Give any two tests to identify carboxylic acids.
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Solution
(1) Aqueous solution of carboxylic acids turn blue litmus into red colour.
(2) Carboxylic acids give brisk effervescence with sodium bicarbonate due to the evolution of
C
O
2
.
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Similar questions
Q.
List two tests for experimentally distinguishing alcohol and carboxylic acids.
Q.
Describe a test for carboxylic acids.
Q.
A compound
(
X
)
with a molecular formula
C
5
H
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O
gives a positive 2,4-DNP test but a negative Tollen's test. On oxidation it gives a carboxylic acid
(
Y
)
with a molecular formula
C
3
H
6
O
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(
Y
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undergoes Kolbe's reaction and gives a hydrocarbon
(
Z
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Identify
(
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.
(
Y
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and
(
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.
Q.
List two tests for experimentally distinguishing between an alcohol and a carboxylic acid and describe how these tests are performed.
Q.
Aldehydes, ketones and acids contain
C
O
group.
(a) Name the product obtained by the reaction between Acetic acid and Ethanol.
(b) Give any two tests to distinguish between aldehydes and ketones.
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