The correct order of basic nature is

Options

A. `B_(2)O_(3) lt Al_(2)O_(3) lt In_(2)O_(3) lt Tl_(2)O`
B. `B_(2)O_(3) gt Al_(2)O_(3) gt In_(2)O_(3) gt Tl_(2)O`
C. `B_(2)O_(3) lt Tl_(2)O lt Al_(2)O_(3) lt ln_(2)O_(3)`
D. `B_(2)O_(3) lt In_(2)O_(3) lt Tl_(2)O lt Al_(2)O_(3)`

Answer

A

Explanation

`B_(2)O_(3) lt A_(2)O_(3) lt Imn_(2)O_(3) lt Tl_(2)O` =basci nature order
`to` size of atom increases
`to` Tendency to loose of electron increases
`to ` Basic nature decreases
`to` Acidic nature increases