Exams › NEET › Chemistry

Reactive dyes utilize a attached to a substituent that is capable of directly reacting with the fibre substrate.

1. chromophore
2. auxochrome
3. chlorophyll
4. none of the above

Correct answer: chromophore

Solution

The chromophore is the color-producing part of a dye molecule, and in reactive dyes it is attached to a substituent that can react with the fiber. This design lets the dye form a covalent bond with the substrate.

Related NEET Chemistry questions

• What is the name for red azo dye?
• Among the following organic acids, the acid present in rancid butter is:
• A ketone has molar mass \( 86 . \) Which of the following cannot be IUPAC name of this ketone?
• An ideal gas is compressed in a closed container its U?
• Which of the following will change the value of the equilibrium constant for the reaction? \( N_{2}(g)+O_{2}(g) \leftrightharpoons 2 N O(g) \)
• Electronic configuration \( [\boldsymbol{K} \boldsymbol{r}] \boldsymbol{4} \boldsymbol{d}^{10} \) belongs to:

⚔️ Practice NEET Chemistry free + battle 1v1 →