Question

硒、氯、硫三种元素的氢化物，它们的稳定性由大到小的顺序是

1. A.
   H₂Se＞H₂S＞HCl
2. B.
   HCl＞H₂S＞H₂Se
3. C.
   H₂Se＞HCl＞H₂S
4. D.
   HCl＞H₂Se＞H₂S

Answer 1

B