Multiple choice

Quinoline dyes belong to

  1. cyanines

  2. proflavine

  3. fluorescein

  4. uranine

  5. para red
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This option is correct because the quinoline dyes are also called cyanine. It  consists of  two nitrogen hetrocyclic nuclei joined together through the odd number conjugated carbon present in the mono acidic salt form.

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