D And F Block Elements Question 116

Question: Transition elements are coloured

[MP PMT 1986; Pb. CET 1989; RPET 1999]

Options:

A) Due to small size

B) Due to metallic nature

C) Due to unpaired d - electrons

D) All of these

Show Answer

Answer:

Correct Answer: C

Solution:

Due to unpaired d-electrons.