Explain in detail and ill leave a like.

6(a) What are transition elemonts? Why are they called so? Why are. the species such as Zn2+,Cd2+Hg2+ not regarded as transition. elements (b) Explain the following, giving reasons for your answer: 4+4 (a) Mn (II) ion shows maximum magnetic character among the bivalent ions of first transition series. (b) [Ti(H2O)6]3+ is colored while [Sc(H2O)6]3+ is colorless