Kemija - 2023. jesen, 10.

A. ${\mathrm{H}}_2\mathrm{O}\mathrm{i}{\mathrm{N}\mathrm{H}}_3\backslash mathrm\{H\}\_\{2\}\; \backslash mathrm\{O\}\; \backslash mathrm\{~i\}\; \backslash mathrm\{~NH\}\_\{3\}$

B. ${\mathrm{N}\mathrm{H}}_4{}^{+}\mathrm{i}{\mathrm{N}\mathrm{H}}_3\backslash mathrm\{NH\}\_\{4\}\{\; \}^\{+\}\; ~\backslash mathrm\{i\}\; \backslash mathrm\{~NH\}\_\{3\}$

C. ${\mathrm{H}}_2\mathrm{O}\backslash mathrm\{H\}\_\{2\}\; \backslash mathrm\{O\}$ i ${\mathrm{N}\mathrm{H}}_4^{+}\backslash mathrm\{NH\}\_\{4\}^\{+\}$

D. ${\mathrm{N}\mathrm{H}}_4{}^{+}\mathrm{i}{\mathrm{H}}_3{\mathrm{O}}^{+}\backslash mathrm\{NH\}\_\{4\}\{\; \}^\{+\}\; \backslash mathrm\{~i\}\; \backslash mathrm\{~H\}\_\{3\}\; \backslash mathrm\{O\}^\{+\}$