Which of the following reagents was used in the original breath alcohol test used by law enforcement officials? A) Cr³⁺ B) hydrogen peroxide C) potassium dichromate D) none of these

Question

Quizplus · Accepted Answer

The original breath alcohol test used by law enforcement officials involved the use of potassium dichromate as a reagent. It reacts with ethanol in the breath sample to produce a color change, which is used to estimate the blood alcohol concentration.

Which of the Following Reagents Was Used in the Original