Kemija - 2015./16. ljeto - 14.

A. ${\mathrm{C}\mathrm{H}}_3\mathrm{C}\mathrm{O}\mathrm{O}\mathrm{H}(\mathrm{a}\mathrm{q})\mathrm{i}{\mathrm{C}\mathrm{H}}_3{\mathrm{C}\mathrm{O}\mathrm{O}}^{-}(\mathrm{a}\mathrm{q})\backslash mathrm\{CH\}\_\{3\}\; \backslash mathrm\{COOH\}(\backslash mathrm\{aq\})\; \backslash mathrm\{~i\}\; \backslash mathrm\{~CH\}\_\{3\}\; \backslash mathrm\{COO\}^\{-\}(\backslash mathrm\{aq\})$

B. ${\mathrm{C}\mathrm{H}}_3\mathrm{C}\mathrm{O}\mathrm{O}\mathrm{H}(\mathrm{a}\mathrm{q})\backslash mathrm\{CH\}\_\{3\}\; \backslash mathrm\{COOH\}(\backslash mathrm\{aq\})$ i ${\mathrm{H}}_3{\mathrm{O}}^{+}(\mathrm{a}\mathrm{q})\backslash mathrm\{H\}\_\{3\}\; \backslash mathrm\{O\}^\{+\}(\backslash mathrm\{aq\})$

C. ${\mathrm{C}\mathrm{H}}_3{\mathrm{C}\mathrm{O}\mathrm{O}}^{-}(\mathrm{a}\mathrm{q})\mathrm{i}{\mathrm{H}}_3{\mathrm{O}}^{+}(\mathrm{a}\mathrm{q})\backslash mathrm\{CH\}\_\{3\}\; \backslash mathrm\{COO\}^\{-\}(\backslash mathrm\{aq\})\; \backslash mathrm\{~i\}\; \backslash mathrm\{~H\}\_\{3\}\; \backslash mathrm\{O\}^\{+\}(\backslash mathrm\{aq\})$

D. ${\mathrm{C}\mathrm{H}}_3\mathrm{C}\mathrm{O}\mathrm{O}\mathrm{H}(\mathrm{a}\mathrm{q})\backslash mathrm\{CH\}\_\{3\}\; \backslash mathrm\{COOH\}(\backslash mathrm\{aq\})$ i ${\mathrm{H}}_2\mathrm{O}(\mathrm{\ell })\backslash mathrm\{H\}\_\{2\}\; \backslash mathrm\{O\}(\backslash ell)$