III a) 1,54 b) substitutia c)C-H d)izomerizare e)normal alcanii f)insolubili g)degajare h)CnH2n+2
IV
CH4+Cl2 (-HCl) la lumina ----- clorometan
C-C-C-C (AlCl3 la 150grade celsius) -------------C - C -(C)- C (2-metilpropan)
CH3-CH2-CH3 -----------> CH2=CH-CH3 + H2 (propena)
4C-C-C-C-C -----------> metan + 1-butena / metan + 2-butena / etan + propena / etena + propan
CH3CH3 + 7/2 O2 = 2CO2 + 3H2O
Completeaza cu hidrogen unde lipseste
II e in poza, repet
