What Are Chromophores & Auxochromes? - Definitions & Types


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question 1 of 3

The structure of malachite green, a green dye, is shown below. Identify the auxochrome present in this dye.

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1. Which of the following molecules would absorb the longest wavelength?

2. The part of the molecule with _____ is the chromophore portion.

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About This Quiz & Worksheet

How is the color of a molecule with a chromophore enhanced? Completing this quiz and worksheet will verify your ability to answer this question and others concerning chromophores and auxochromes.

Quiz & Worksheet Goals

You'll be tested on the following:

  • Identifying the presence of auxochromes in dye
  • Molecules that absorb the longest wavelength
  • The chromophore portion of the molecule
  • The color you would see when dye absorbs light at 425 nm
  • What enhances the color of a molecule with a chromophore

Skills Practiced

  • Knowledge application - use your knowledge to answer questions about chromophores and auxochromes
  • Interpreting information - verify that you can read information about the presence of auxochromes in dye and interpret it correctly
  • Information recall - access the knowledge you've gained regarding molecules that absorb the longest wavelength

Additional Learning

Explore this topic further by reviewing the related lesson titled What are Chromophores & Auxochromes? - Definitions & Types. Here's a snapshot of what it covers:

  • An overview of how we see color
  • What causes color shifts
  • How the wavelength of light absorbed increases