1/.
a. 2,3,3-trimetilhexan
b. 3,4-dimetilhexan
2/.
a.
CH3 CH3
CH3---C----C---CH3
CH3 CH3
b.
CH3---CH--CH2--CH--CH2--CH2--CH3
CH3 CH3
3/.
Alcanii raspund la formula generala CnH2n+2
a.
n = 20 => C20H42
b.
X = CnH2n+2
miuX = 6(2n+2)
=> 12n+12 = 14n+2 => n = 10/2 = 5
=> C5H12
4/.
CH4 + 3Cl2 --lumina--> CHCl3 + 3HCl
CH3--CH2--CH2--CH3 --(<650)--> CH4 + CH2=CH-CH3
CH3--CH2--CH2--CH3 <==AlCl3/50-100oC--> CH3--CH--CH3
CH3
C6H14 + 19/2O2 --> 6CO2 + 7H2O
2CH4 + O2 --400oC/60atm--> 2CH3OH
