Question

Select correct statements (s).

• A. The coloured ion arises due to $d-d^{\ast }$ transition
• B. Colour we observe is the complimentary colour absorbed by the compound
• C. Both (a) and (b) are correct
• D. None of the above is correct

Answer 1

Answer: (C)

Both (a) and (b) are correct

d-block elements have unpaired d electron and these unpaired electron have transition between d orbitals and due to this they shows colour. Also some compounds shows colour due to charge transfer complex and colour we observe is the complimentary colour absorbed by the compound.