ОТВЕТ:3).
CH3-CH2-C=-CH+[Ag(NH3)2]NO3 =CH3-CH2-C=-CAg+NH4NO3+NH3
бутин-1
CH3-C=-C-CH3+[AgNH3)2]NO3 =Р-ЦИЯ НЕ ИДЕТ.
бУтин-2
....................................................................................................................................................................
.....................................................................................................................................................................
....................................................................................................................................................................