Multiple choice -------------------- is a precursor to the polymer nylon 66. Adipamide Adipic acid Adiponitrile Adipoyl chloride Reveal answer Fill a bubble to check yourself C Correct answer Explanation Adiponitrile is an organic compound with the formula (CH2)4(CN)2. This dinitrile, a viscous, colourless liquid, is an important precursor to the polymer nylon 66.