Flame Tests for Cations

These flashcards review the key concepts and outcomes of flame tests for identifying positive ions (cations) in compounds.

What is tested during flame tests?

Positive ions (cations) in a compound.

What is the first step in performing a flame test?

Dip the nichrome wire in concentrated hydrochloric acid.

What colour is produced when Lithium (Li+) is tested in a flame?

Crimson.

What colour does Sodium (Na+) produce in a flame test?

Yellow-orange.

What color indicates the presence of Potassium (K+) in a flame test?

Lilac.

What is the flame color for Rubidium (Rb+)?

Red.

Which ion produces a blue color in a flame test?

Caesium (Cs+).

What color is observed when Calcium (Ca²+) is tested?

Dark red.

What colour does Strontium (Sr²+) produce in a flame test?

red

What flame color is associated with Barium (Ba²+)?

Green.