Question

Give reasons: Zinc salts are white​

Answer 1

Explanation:

The Zn salts are white because this transition element has no free electron in d-orbital , so by this there is no d-d transitions hence it does not show color . While Cu2+ salts are coloured since according to there electronic configuration it has free electrons which show color due to d-d transition

Answer 2

Answer:

due to absence of unpaired electron zinc salts are white