Метилпропан - H2  --- больше хлорметан + 2Na + хлорэтан  --- больше бутин1 + NaNH2  --- больше бутин2 + 2HCl  --- больше бензол + 2Clпропан  --- больше гексадиен 2,4 + H2  --- больше                      

CH3-CH(CH3)-CH3---Cr2O3, t---> CH2=C(CH3)-CH3 + H2 CH3-Cl+2Na+C2H5-Cl----> 2NaCl+ CH3-CH2-CH3 - CH3-C(тройная связь)С-СH3+2HCl--> CH3-C(Cl2)-CH2-CH3 С6H6+2C3H7Cl---> 2,4(С3H7)C6H4 CH3-CH=CH-CH=CH-CH3 +H2----> CH3-CH2-CH2-CH=CH-CH3 или CH3-CH2-CH=CH-CH2-CH3

H3C-CH(CH3)-CH3 (H2SO4,t)=H3C-C(CH3)=CH2+H2 CH3-Cl+2Na+C2H5Cl=2NaCl+CH3-C2H5 CH3-CH2-C=-CH+ NaNH2=CH3-CH2-C=-CNa+NH3 CH3-C=-C-CH3+2HCl=H3C-CCl2-CH2-CH3 C6H6+H3C-CHCl-CH3=C6H5-CH-CH3 +HCl                                                            |                                                          CH3 C6H10+H2=C6H12 //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// .................................................................................................................................................................