Stability of trivalent and mono valent cation of group 13 (Boron family) will be in order :

Options

A. `Ga^(3+) lt In^(3+) lt Tl^(3+)`
B. `Ga^(+) gt In^(+) gt Tl^(+)`
C. `Ga^(+) lt In^(+) lt Tl^(+)`
D. `Ga^(3+) gt Ga^(+)`

Answer

C, D