2.将硫化氢通入不同浓度的硝酸溶液中.发生下列反应. ( ) ① 3H2S + 2HNO3 = 3S↓+ 2NO↑+ 4H2O ② H2S + 2HNO3 = S↓+ 2NO2↑+ 2H2O ③ 4H2S + 2HNO3 = 4S↓+ NH4NO3 + 3H2O ④ 5H2S + 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正确的是 A.①②③④ B.②①④③ C.②①③④ D.④③②① 查看更多

 

题目列表(包括答案和解析)

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+2HNO35S↓+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

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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

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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+2HNO33S↓+2NO2↑+2H2O;③4H2S+2HNO34S↓+NH4N

+3H2O;④5H2S+2HNO35S↓+2N2↑+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,正确的是                                             (     )

A.①>②>③>④ B.②>①>④>③ C.②>①>③>④ D.④>③>②>①

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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

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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+2HNO35S↓+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,正确的是

[  ]

A.①>②>③>④
B.②>①>④>③
C.②>①>③>④
D.④>③>②>①

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