Aim
To identify metal ions in salts from the colour they give a flame.
Clean a platinum loop in acid, dip it in a salt and hold it in a blue Bunsen flame: sodium golden yellow, potassium lilac, copper green, and an unknown to name.
What you'll explore
- Flame colours One colour per metal ion.
- Electron jumps Heat lifts an electron; light comes out.
Who it's for
Class 11 and Class 12 chemistry, for CBSE, ICSE and State boards. It follows the practical in your textbook: naming a metal by its flame colour.
Practical guide
Flame Test Colours Chart: Class 12 Procedure, Viva: procedure, observation table, worked calculation, precautions and viva answers.