A.\(\rm{CO_{2}+2OH^{-}═CO\rlap{_{3}}{^{2-}}+H_{2}O}\) |
B.\(\rm{Al_{2}}\)\(\rm{O}\)\(\rm{{\,\!}_{3}}\)\(\rm{+2OH}\)\(\rm{{\,\!}^{-}}\)\(\rm{═2AlO}\)\(\rm{\rlap{_{2}}{^{-}}}\)\(\rm{+H}\)\(\rm{{\,\!}_{2}}\)\(\rm{O}\) |
C.\(\rm{2Al+2OH^{-}}\)\(\rm{+2H}\)\(\rm{{\,\!}_{2}}\)\(\rm{O}\)\(\rm{═2AlO}\)\(\rm{\rlap{_{2}}{^{-}}}\)\(\rm{+3H}\)\(\rm{{\,\!}_{2}}\)\(\rm{↑}\) |
D.\(\rm{Al^{3+}}\)\(\rm{+4OH}\)\(\rm{{\,\!}^{-}}\)\(\rm{═AlO}\)\(\rm{\rlap{_{2}}{^{-}}}\)\(\rm{+2H}\)\(\rm{{\,\!}_{2}}\)\(\rm{O}\) |