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Which reagent is commonly used to test for the presence of phenols?

Practice Questions

Q1
Which reagent is commonly used to test for the presence of phenols?
  1. Bromine water
  2. Sodium dichromate
  3. Fehling's solution
  4. Tollens' reagent

Questions & Step-by-Step Solutions

Which reagent is commonly used to test for the presence of phenols?
  • Step 1: Understand what phenols are. Phenols are organic compounds that contain a hydroxyl group (-OH) attached to a benzene ring.
  • Step 2: Know that bromine water is a solution of bromine in water, which is typically orange-brown in color.
  • Step 3: Learn that phenols can react with bromine water.
  • Step 4: When phenols are present, they will react with bromine water and cause it to lose its color.
  • Step 5: If the bromine water turns from orange-brown to colorless, it indicates the presence of phenols.
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