Answer
B → B$^{+}$ + 1e$^{-}$
I$_{1}$ = 1.33 aJ
B$^{+}$ → B$^{2+}$ + 1e$^{-}$
I_{2} = 4.04 aJ
B$^{2+}$ → B$^{3+}$ + 1e$^{-}$
I$_{3}$ = 6.08 aJ
Total energy required
= I$_{1}$ + I$_{2}$ + I$_{3}$ = 11.45 aJ
Work Step by Step
As given in answer
