Kemija - 2010./11. jesen - 32.

A. $\mathrm{H}\mathrm{B}\mathrm{r}\backslash mathrm\{HBr\}$

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

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

D. ${\mathrm{B}\mathrm{r}}^{-}\backslash mathrm\{Br\}^\{-\}$