Question

Why the aquous solution of mn+2 and fe+3 are light coloured whereas most of transition ions are light coloured?

Answer 1

$\huge\mathbb\red{HEY\:THERE}$

Copper(II) ions in solution absorb light in the red region of the spectrum. ... The charge on these ions is typically 2+ or 3+. .

Answer 2

Copper(II) ions in solution absorb light in the red region of the spectrum. ... The charge on these ions is typically 2+ or 3+. .