Kemija - 2022./23. probna - 6.

A. ${\mathrm{H}}_3{\mathrm{O}}^{+}\backslash mathrm\{H\}\_\{3\}\; \backslash mathrm\{O\}^\{+\}$

B. ${\mathrm{O}\mathrm{H}}^{-}\backslash mathrm\{OH\}^\{-\}$

C. ${\mathrm{B}\mathrm{F}}_3\backslash mathrm\{BF\}\_\{3\}$

D. ${\mathrm{N}\mathrm{H}}_3\backslash mathrm\{NH\}\_\{3\}$