Kemija - 2017. ljeto, 23.

A. ${\mathrm{C}\mathrm{a}\mathrm{C}}_2,{\mathrm{C}\mathrm{H}}_3\mathrm{O}\mathrm{H},{\mathrm{B}\mathrm{F}}_3,\mathrm{M}\mathrm{g}\mathrm{O}\backslash mathrm\{CaC\}\_\{2\},\; ~\backslash mathrm\{CH\}\_\{3\}\; \backslash mathrm\{OH\},\; ~\backslash mathrm\{BF\}\_\{3\},\; ~\backslash mathrm\{MgO\}$

B. ${\mathrm{B}\mathrm{F}}_3,{\mathrm{C}\mathrm{H}}_3,\mathrm{O}\mathrm{H},\mathrm{H}\mathrm{C}\mathrm{N},{\mathrm{C}\mathrm{C}\mathrm{l}}_4\backslash mathrm\{BF\}\_\{3\},\; ~\backslash mathrm\{CH\}\_\{3\},\; ~\backslash mathrm\{OH\},\; ~\backslash mathrm\{HCN\},\; ~\backslash mathrm\{CCl\}\_\{4\}$

C. $\mathrm{N}\mathrm{a}\mathrm{H},\mathrm{H}\mathrm{C}\mathrm{N},{\mathrm{C}\mathrm{C}\mathrm{l}}_4,\mathrm{K}\mathrm{I}\backslash mathrm\{NaH\},\; ~\backslash mathrm\{HCN\},\; ~\backslash mathrm\{CCl\}\_\{4\},\; ~\backslash mathrm\{KI\}$

D. $\mathrm{M}\mathrm{g}\mathrm{O},{\mathrm{C}\mathrm{a}\mathrm{C}}_2,\mathrm{N}\mathrm{a}\mathrm{H},\mathrm{K}\mathrm{I}\backslash mathrm\{MgO\},\; ~\backslash mathrm\{CaC\}\_\{2\},\; ~\backslash mathrm\{NaH\},\; ~\backslash mathrm\{KI\}$