Question

CH3-CH2-CH3+-(CL2)->X1+-(Na)->X2+-(O2)->CO2

Answer 1

1.CH3-CH2-CH3+Cl2=CH3-CHCl-CH3+HCl 2.CH3-CHCl-CH3+CH3-CHCl-CH3+2Na=CH3-CH(CH3)-CH(CH3)-CH3+2NaCl 3.CH3-CH(CH3)-CH(CH3)-CH3+9,5O2=6CO2+7H2O