1. Tardigrade
  2. Question
  3. Chemistry
  4. Statement 1: Change in colour of acidic solution of potassium dichromate by breath is used to test drunk drivers. Statement 2: Change in colour is due to the complexation of alcohol with potassium dichromate.

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Q. Statement 1: Change in colour of acidic solution of potassium dichromate by breath is used to test drunk drivers.
Statement 2: Change in colour is due to the complexation of alcohol with potassium dichromate.

Redox Reactions

Solution:

Potassium dichromate react with alcohol and the reduction of potassium dichromate takes place and dichromate (orange red) changes to $Cr ^{3+}$ (green).