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Chemistry
Which of the following acids is isomeric with phthalic acid?
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Q. Which of the following acids is isomeric with phthalic acid?
Aldehydes Ketones and Carboxylic Acids
A
Succinic acid
22%
B
Salicylic acid
22%
C
1, 4-benzene dicarboxylic acid
44%
D
Methyl benzoic acid
11%
Solution:
Phthalic acid is the isomer of 1,4 benzene dicarboxylic acid because both have the same molecular formula but differ in their structure