Give reasons for each of the following:   (i) Size of trivalent lanthanoid cation decrease with
Channel: Doubtnut
Date: 2020-04-12

Give reasons for each of the following:   (i) Size of trivalent lanthanoid cation decrease with increase in the atomic number.   (ii) Transition metal fluorides are ionic in nature whereas bromides and chlorides are usualy covalent in nature.   (iii) Chemistry of all the lanthanoids is quite similar.