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11 grade chemistry others

What is the IUPAC name for isophthalic acid?

  • (a) Benzene-1, 3-dicarboxylic acid
  • (b) Benzene-1, 2-dicarboxylic acid
  • (c) Benzene-1, 4-dicarboxylic acid
  • (d) Benzene-1, 5-dicarboxylic acid

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10 Months agoGrade
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1 Answer

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ApprovedApproved Tutor Answer10 Months ago

The IUPAC name for isophthalic acid is Benzene-1, 3-dicarboxylic acid. This compound features two carboxylic acid groups (-COOH) attached to a benzene ring at the 1 and 3 positions. It is important to distinguish this from other dicarboxylic acids based on the positions of the carboxyl groups.

Understanding the Options

  • Benzene-1, 2-dicarboxylic acid: This is known as phthalic acid.
  • Benzene-1, 4-dicarboxylic acid: This is known as terephthalic acid.
  • Benzene-1, 5-dicarboxylic acid: This is less common and not typically referenced.

In summary, isophthalic acid is specifically identified by its unique structure, which is reflected in its IUPAC name.

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