2.Narysuj wzory półstrukturalne oraz podaj nazwy wszystkich izomerów heptanu.

Heptan (C₇H₁₆) CH₃-CH₂-CH₂-CH₂-CH₂-CH₂-CH₃ (n-heptan) -------------------------------------------------- CH₃-CH-CH₂-CH₂-CH₂-CH₃ (2-metyloheksan) | CH₃ -------------------------------------------------- CH₃-CH₂-CH-CH₂-CH₂-CH₃ (3-metyloheksan) | CH₃ -------------------------------------------------- CH₃-CH-CH-CH₂-CH₃ (2,3-dimetylopentan) | | CH₃ CH₃ -------------------------------------------------- CH₃-CH-CH₂-CH-CH₃ (2,4-dimetylopentan) | | CH₃ CH₃ -------------------------------------------------- CH₃ | CH₃-C-CH₂-CH₂-CH₃ (2,2-dimetylopentan) | CH₃ -------------------------------------------------- CH₃ | CH₃-CH₂-C-CH₂-CH₃ (3,3-dimetylopentan) | CH₃ -------------------------------------------------- CH₃ | CH₃-C-CH-CH₃ (2,2,3-trimetylobutan) | | CH₃ CH₃ -------------------------------------------------- CH₃ | CH₃-C-CH₂-CH₃ (2-etylo-2-metylobutan) | CH₃ | CH₃