Kemija - 2009./10. jesen - 36.

A. ${\mathrm{C}\mathrm{l}}_2,\mathrm{H}\mathrm{C}\mathrm{l},{\mathrm{C}\mathrm{O}}_2\backslash mathrm\{Cl\}\_\{2\},\; \backslash mathrm\{HCl\},\; \backslash mathrm\{CO\}\_\{2\}$

B. ${\mathrm{C}\mathrm{H}\mathrm{C}\mathrm{l}}_3,\mathrm{C}\mathrm{O},{\mathrm{H}}_2\backslash mathrm\{CHCl\}\_\{3\},\; \backslash mathrm\{CO\},\; \backslash mathrm\{H\}\_\{2\}$

C. ${\mathrm{H}}_2,{\mathrm{C}\mathrm{O}}_2,\mathrm{C}\mathrm{O}\backslash mathrm\{H\}\_\{2\},\; \backslash mathrm\{CO\}\_\{2\},\; \backslash mathrm\{CO\}$

D. $\mathrm{C}\mathrm{O},\mathrm{H}\mathrm{C}\mathrm{l},{\mathrm{C}\mathrm{H}\mathrm{C}\mathrm{l}}_3\backslash mathrm\{CO\},\; \backslash mathrm\{HCl\},\; \backslash mathrm\{CHCl\}\_\{3\}$