Question

氰(CN)₂的化学性质跟氯气相似，预计它跟水反应的最初产物是

1. A.
   HCN和HCNO
2. B.
   HCNO和NH₃
3. C.
   HCNO和HCNO₃
4. D.
   HOCN和HNC

Answer 1

A