1. Wybierz wzory alkenów.

[tex]\mathrm{C}_{5} \mathrm{H}_{12}, \mathrm{C}_{8} \mathrm{H}_{16}, \mathrm{C}_{10} \mathrm{H}_{18}, \mathrm{C}_{3} \mathrm{H}_{6}, \mathrm{C}_{4} \mathrm{H}_{10}, \mathrm{C}_{2} \mathrm{H}_{4}, \mathrm{C}_{7} \mathrm{H}_{12}[/tex]