将\(\rm{X}\)气体通入\(\rm{BaCl_{2}}\)溶液,未见沉淀生成,然后通入\(\rm{Y}\)气体,有沉淀生成\(\rm{.X}\),\(\rm{Y}\)不可能是\(\rm{(}\) \(\rm{)}\)
选项 | \(\rm{X}\) | \(\rm{Y}\) |
\(\rm{A}\) | \(\rm{SO_{2}}\) | \(\rm{NH_{3}}\) |
\(\rm{B}\) | \(\rm{Cl_{2}}\) | \(\rm{CO_{2}}\) |
\(\rm{C}\) | \(\rm{NH_{3}}\) | \(\rm{CO_{2}}\) |
\(\rm{D}\) | \(\rm{SO_{2}}\) | \(\rm{Cl_{2}}\) |