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What is the role of a solvent in UV-Vis spectroscopy?

Practice Questions

Q1
What is the role of a solvent in UV-Vis spectroscopy?
  1. To enhance the absorption of light
  2. To provide a medium for the sample
  3. To scatter light for better detection
  4. To change the wavelength of light

Questions & Step-by-Step Solutions

What is the role of a solvent in UV-Vis spectroscopy?
  • Step 1: Understand that UV-Vis spectroscopy is a technique used to measure how much light a sample absorbs.
  • Step 2: Recognize that a solvent is a liquid that dissolves the sample (analyte) so it can be tested.
  • Step 3: Know that the solvent must be transparent to UV and visible light, allowing the light to pass through.
  • Step 4: Realize that the solvent should not absorb light in the same range as the analyte to avoid interference.
  • Step 5: Conclude that the solvent helps create a clear path for the light to interact with the sample, enabling accurate measurements.
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