Kemija - 2020. ljeto, 14.

A. $2{\mathrm{C}}_6{\mathrm{H}}_6+15{\mathrm{O}}_2\stackrel{\mathrm{\Delta }}{\to }12{\mathrm{C}\mathrm{O}}_2+6{\mathrm{H}}_2\mathrm{O}2\; \backslash mathrm\{~C\}\_\{6\}\; \backslash mathrm\{H\}\_\{6\}+15\; \backslash mathrm\{~O\}\_\{2\}\; \backslash xrightarrow\{\backslash Delta\}\; 12\; \backslash mathrm\{~CO\}\_\{2\}+6\; \backslash mathrm\{~H\}\_\{2\}\; \backslash mathrm\{O\}$

B. $\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH} \xrightarrow{\mathrm{H}_{2} \mathrm{SO}_{4} / \Delta} \mathrm{C}_{2} \mathrm{H}_{4}+\mathrm{H}_{2} \mathrm{O}$

C. ${\mathrm{C}}_6{\mathrm{H}}_{12}\stackrel{\mathrm{\Delta }}{\to }6\mathrm{C}+6{\mathrm{H}}_2\backslash mathrm\{C\}\_\{6\}\; \backslash mathrm\{H\}\_\{12\}\; \backslash xrightarrow\{\backslash Delta\}\; 6\; \backslash mathrm\{~C\}+6\; \backslash mathrm\{~H\}\_\{2\}$

D. ${\mathrm{C}}_2{\mathrm{H}}_2+{\mathrm{H}}_2\stackrel{\mathrm{P}\mathrm{d}}{\to }{\mathrm{C}}_2{\mathrm{H}}_4\backslash mathrm\{C\}\_\{2\}\; \backslash mathrm\{H\}\_\{2\}+\backslash mathrm\{H\}\_\{2\}\; \backslash xrightarrow\{\backslash mathrm\{Pd\}\}\; \backslash mathrm\{C\}\_\{2\}\; \backslash mathrm\{H\}\_\{4\}$