JAMB Chemistry 2006 Question 11

Question 11

Qualitative Analysis

The characteristic colour of the flame shown when a copper salt moistened with concentrated hydrochloric acid on a platinum wire is put on bunsen burner is

A.lilac
B.green
C.yellow
D.brick-red

Show the answer and explanation

Answer: B (green)

Explanation

Copper compounds give a green (bluish-green) flame. Lilac is potassium, yellow is sodium and brick-red is calcium.