Mht CetChemical Bonding And Molecular StructureMHT CET 2025 21st April Morning ShiftMCQ+1 / -02025Which of the following is Lewis base?A $\mathrm{BF}_3$B $\mathrm{AlCl}_3$C $\mathrm{Cu}^{2+}$D $\mathrm{NH}_3$Check AnswerClear SelectionReveal AnswerShow Explanation