伯胺与酸性组分反应的方程式是( )。
A.2RNH2+H2S→(RNH3)2S(RNH3)2S+H2S→2RNH3HS
B.2R3N+H2S→(R3NH)2S(R3NH)2S+H2S→2R3NHHS
C.2R2NH+H2S→(R2NH)2S(R2NH)2S+H2S→2R2NH2HS
D.2R3N+H2O+CO2→(R3NH)2CO3(R3NH)2CO3+ H2O+CO2→2R3NHHCO3
正确答案是A