Multiple choice

The alkali metals and their salts impart characteristic colour to an oxidising flame. Which of the following matchings of alkali metals and characteristic colour imparted to an oxidising flame by them is correct?

  1. Li : Red violet

  2. Na : Blue

  3. K : Violet

  4. Rb : Crimson red

  5. Cs : Yellow

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Potassium imparts violet colour to an oxidising flame.