Multiple choice

Among the following reagents -------------------- is used as a precursor for fibre-reactive dyes.

  1. iodine pentafluoride

  2. gold(III) fluoride

  3. diethylaminosulfur trifluoride

  4. cyanuric fluoride

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Cyanuric fluoride or 2,4,6-trifluoro-1,3,5-triazine is a colourless, pungent liquid. It has been used as a precursor for fibre-reactive dyes, as a specific reagent for tyrosine residues in enzymes, and as a fluorinating agent.