Kemija - 2021. jesen, 17.

A. $\mathrm{P}\mathrm{b}\mathrm{O}(\mathrm{s})+{\mathrm{H}}_2\mathrm{O}(\mathrm{\ell })\to \mathrm{P}\mathrm{b}(\mathrm{O}\mathrm{H}{)}_2(\mathrm{s})\backslash mathrm\{PbO\}(\backslash mathrm\{s\})+\backslash mathrm\{H\}\_\{2\}\; \backslash mathrm\{O\}(\backslash ell)\; \backslash rightarrow\; \backslash mathrm\{Pb\}(\backslash mathrm\{OH\})\_\{2\}(\backslash mathrm\{s\})$

B. $\mathrm{PbO}(\mathrm{s})+\mathrm{OH}^{-}(\mathrm{aq})+\mathrm{H}_{2} \mathrm{O}(\ell) \rightarrow \mathrm{Pb}(\mathrm{OH})_{3}{ }^{-}(\mathrm{aq})$

C. $\mathrm{P}\mathrm{b}\mathrm{O}(\mathrm{s})+2\mathrm{H}\mathrm{C}\mathrm{O}\mathrm{O}\mathrm{H}(\mathrm{a}\mathrm{q})\to \mathrm{P}\mathrm{b}(\mathrm{H}\mathrm{C}\mathrm{O}\mathrm{O}{)}_2(\mathrm{a}\mathrm{q})+{\mathrm{H}}_2\mathrm{O}(\mathrm{\ell })\backslash mathrm\{PbO\}(\backslash mathrm\{s\})+2\; \backslash mathrm\{~HCOOH\}(\backslash mathrm\{aq\})\; \backslash rightarrow\; \backslash mathrm\{Pb\}(\backslash mathrm\{HCOO\})\_\{2\}(\backslash mathrm\{aq\})+\backslash mathrm\{H\}\_\{2\}\; \backslash mathrm\{O\}(\backslash ell)$

D. $\mathrm{P}\mathrm{b}\mathrm{O}(\mathrm{s})+2{\mathrm{C}\mathrm{H}}_3\mathrm{C}\mathrm{O}\mathrm{O}\mathrm{H}(\mathrm{a}\mathrm{q})\to \mathrm{P}\mathrm{b}{\left({\mathrm{C}\mathrm{H}}_3\mathrm{C}\mathrm{O}\mathrm{O}\right)}_2(\mathrm{a}\mathrm{q})+{\mathrm{H}}_2\mathrm{O}(\mathrm{\ell })\backslash mathrm\{PbO\}(\backslash mathrm\{s\})+2\; \backslash mathrm\{~CH\}\_\{3\}\; \backslash mathrm\{COOH\}(\backslash mathrm\{aq\})\; \backslash rightarrow\; \backslash mathrm\{Pb\}\backslash left(\backslash mathrm\{CH\}\_\{3\}\; \backslash mathrm\{COO\}\backslash right)\_\{2\}(\backslash mathrm\{aq\})+\backslash mathrm\{H\}\_\{2\}\; \backslash mathrm\{O\}(\backslash ell)$