电极电势与溶液的酸度无关的电对为( )。
A: O[img=7x22]1803dd570047832.png[/img]/H[img=7x22]1803dd5709182bd.png[/img]O
B: Fe(OH)[img=7x22]1803dd571184b62.png[/img]/ Fe(OH)[img=7x22]1803dd571a6a887.png[/img]
C: MnO[img=17x27]1803dd5722a86e9.png[/img]/MnO[img=11x26]1803dd572b4557a.png[/img]
D: [img=42x23]1803dd573408d29.jpg[/img]/Cr[img=17x22]1803dd573ce7b72.png[/img]
A: O[img=7x22]1803dd570047832.png[/img]/H[img=7x22]1803dd5709182bd.png[/img]O
B: Fe(OH)[img=7x22]1803dd571184b62.png[/img]/ Fe(OH)[img=7x22]1803dd571a6a887.png[/img]
C: MnO[img=17x27]1803dd5722a86e9.png[/img]/MnO[img=11x26]1803dd572b4557a.png[/img]
D: [img=42x23]1803dd573408d29.jpg[/img]/Cr[img=17x22]1803dd573ce7b72.png[/img]
举一反三
- 电极电势与溶液的酸度无关的电对为( )。 A: O[img=7x22]1803dd5b0d87a54.png[/img]/H[img=7x22]1803dd5b1734b3f.png[/img]O B: Fe(OH)[img=7x22]1803dd5b20e1b22.png[/img]/ Fe(OH)[img=7x22]1803dd5b28e08ec.png[/img] C: MnO[img=17x27]1803dd5b30bcef6.png[/img]/MnO[img=11x26]1803dd5b3856e4c.png[/img] D: CrO[img=17x27]1803dd5b413c1c4.png[/img]/Cr[img=17x22]1803dd5b49d9916.png[/img]
- 电极电势与溶液的酸度无关的电对为( )。 A: O[img=7x22]1803dd53dabea55.png[/img]/H[img=7x22]1803dd53e3a0006.png[/img]O B: Fe(OH)[img=7x22]1803dd53ed2013b.png[/img]/ Fe(OH)[img=7x22]1803dd53f60cee8.png[/img] C: MnO[img=17x27]1803dd53ff305bc.png[/img]/Mn[img=11x26]1803dd5407cbaf3.png[/img] D: Cr[img=7x22]1803dd54105616e.png[/img]O[img=17x27]1803dd54194d644.png[/img]/Cr[img=17x22]1803dd542165050.png[/img]
- 电极电势与溶液的酸度无关的电对为( )。 未知类型:{'options': ['O[img=7x22]17de8810045011c.png[/img]/H[img=7x22]17de881010225b6.png[/img]O', 'Fe(OH)[img=7x22]17de88101d5331a.png[/img]/ Fe(OH)[img=7x22]17de8810355b27d.png[/img]', 'MnO[img=17x27]17de8810415d78a.png[/img]/Mn[img=11x26]17de88104d90826.png[/img]', 'Cr[img=7x22]17de881059f16da.png[/img]O[img=17x27]17de88106616933.png[/img]/Cr[img=17x22]17de88107277d87.png[/img]'], 'type': 102}
- 假定Sb[img=7x22]1803dd49c179016.png[/img]S[img=7x22]1803dd49c99e260.png[/img](s)的溶解度为x mol·L[img=17x22]1803dd49d248c3b.png[/img],则[img=28x28]1803dd49dafed3c.png[/img]应为( )。 A: [img=28x28]1803dd49e3a9672.png[/img]=x[img=7x22]1803dd49ec515a7.png[/img]·x[img=7x22]1803dd49f5a7624.png[/img]= x[img=7x22]1803dd49fdc3ba4.png[/img] B: [img=28x28]1803dd4a062ad6a.png[/img]=2x·3x=6x[img=7x22]1803dd4a0f09d1e.png[/img] C: [img=28x28]1803dd4a062ad6a.png[/img]=x[img=7x22]1803dd4a0f09d1e.png[/img] D: [img=28x28]1803dd4a062ad6a.png[/img]=(2x)[img=7x22]1803dd4a323468e.png[/img]·(3x)[img=7x22]1803dd4a3a6fefa.png[/img]=108x[img=7x22]1803dd4a4341475.png[/img]
- 下列已经配平的反应是( )。 A: Mn[img=17x22]1803dd59613bf64.png[/img]+5BiO[img=7x22]1803dd5969ee1c2.png[/img]+14H[img=11x21]1803dd5971e19d3.png[/img]→MnO[img=7x22]1803dd597ad1d0a.png[/img][img=11x21]1803dd59831425e.png[/img]+5Bi[img=17x22]1803dd598b7cbce.png[/img]+7H[img=7x22]1803dd5994d305b.png[/img]O B: 2CrO[img=7x22]1803dd599d4a3b7.png[/img][img=11x21]1803dd59a6535ca.png[/img]+3H[img=7x22]1803dd59adf3c07.png[/img]O[img=7x22]1803dd59b6a9b45.png[/img]+2OH[img=11x21]1803dd59beb8a66.png[/img]→2CrO[img=17x27]1803dd59c72713c.png[/img]+ 4H[img=7x22]1803dd59d0edd85.png[/img]O C: 8Al+3NO[img=11x26]1803dd59d9643c3.png[/img]+5OH[img=11x21]1803dd59e1850c8.png[/img]→3Al(OH)[img=11x26]1803dd59ea6acad.png[/img]+3NH[img=7x22]1803dd59f2b5caf.png[/img] D: S[img=17x22]1803dd59faee830.png[/img]+ClO[img=11x26]1803dd5a03bba6b.png[/img]→Cl[img=11x21]1803dd5a0db0f34.png[/img]+S