Часть А
1в 2б 3в 4г 5в
часть Б
1)
3С+CaO=CaC2+CO
CaC2+2H2O=C2H2+Ca(OH)2
3C2H2=C6H6
C6H6+HNO3=C6H5NO2+H2O
2)
2CH4=C2H2+3H2
3C2H2=C6H6
C6H6+Br2=C6H5Br+HBr
3)
CHBr2-C(CH3)=CH-CH3
4)
бромбензол
5)
CnH2n+2=100
12n+2n+2=100
14n=98
n=7
C7H16
CH3-C(CH3)2-CH(CH3)-CH3