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. ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{O}\mathrm{H}\stackrel{{\mathrm{H}}_2{\mathrm{S}\mathrm{O}}_4\mathrm{/}\mathrm{\Delta }}{\to }{\mathrm{C}}_2{\mathrm{H}}_4+{\mathrm{H}}_2\mathrm{O}\backslash mathrm\{C\}\_\{2\}\; \backslash mathrm\{H\}\_\{5\}\; \backslash mathrm\{OH\}\; \backslash xrightarrow\{\backslash mathrm\{H\}\_\{2\}\; \backslash mathrm\{SO\}\_\{4\}\; /\; \backslash Delta\}\; \backslash mathrm\{C\}\_\{2\}\; \backslash mathrm\{H\}\_\{4\}+\backslash mathrm\{H\}\_\{2\}\; \backslash mathrm\{O\}$

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