Question

1. Phthalic acid is
1: MCQ​

Answer 1

Answer:

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Answer 2

Answer:

Phthalic acid is an aromatic dicarboxylic acid, with formula C₆H₄(CO₂H)₂. It is an isomer of isophthalic acid and terephthalic acid. Although phthalic acid is of modest commercial importance, the closely related derivative phthalic anhydride is a commodity chemical produced on a large scale.

Explanation:

Formula: C8H6O4

Molar mass: 166.14 g/mol

Density: 1.59 g/cm³

Solubility in water: 0.6 g / 100 mL

Melting point: 207 °C (405 °F; 480 K)