将硫化氢通入不同浓度的硝酸溶液中,发生下列反应:
①3H2S+2HNO33S↓+2NO↑+4H2O
②H2S+2HNO3S↓+2NO2↑+2H2O
③4H2S+2HNO34S↓+NH4NO3+3H2O
④5H2S+2HNO3====5S↓+N2↑+6H2O
结合所学有关硝酸的知识,判断硝酸浓度由大到小的顺序是( )
A.①>②>③>④ | B.②>①>④>③ |
C.②>①>③>④ | D.④>③>①>② |
将硫化氢通入不同浓度的硝酸溶液中,发生下列反应:
①3H2S+2HNO33S↓+2NO↑+4H2O
②H2S+2HNO3S↓+2NO2↑+2H2O
③4H2S+2HNO34S↓+NH4NO3+3H2O
④5H2S+2HNO3====5S↓+N2↑+6H2O
结合所学有关硝酸的知识,判断硝酸浓度由大到小的顺序是( )
A.①>②>③>④ | B.②>①>④>③ |
C.②>①>③>④ | D.④>③>①>② |