Correct order of radii

Options

A. `Pb gt Pb^(2+) gt Pb^(4+)`
B. `In^(+) gt Sn^(2+) gt Sb^(3+) gt Te^(4+)`
C. `Co gt Ni gt Cu gt Zn`
D. `K^(+) gt Li^(+) gt Mg^(2+) gt Al^(3+)`

Answer

A, B, D

Explanation

The correct order of radii: `Co ~~ Ni lt Cu lt Zn`