Question

Consider the statement : All transition elements form coloured compounds.

1. Do you agree?

2. Name three transition elements which cannot form coloured compounds.

3. What is the reason for colour of transition metal compounds?

Answer 1

1. No.

2. Zn, Cd and Hg.

3. The colour of transition compound is due to d-d transition. The colour observed corresponds to the complementary colour of the light absorbed.