根据反应Sn[img=17x22]1803dd5523845f9.png[/img] + Zn=Sn[img=17x22]1803dd552cbe936.png[/img] + Zn[img=17x22]1803dd5536450b7.png[/img] 构成原电池,其电池符号为( )。
A: (-)Zn︱Zn[img=17x22]1803dd553f645a0.png[/img](c[img=7x22]1803dd5547a1bc4.png[/img])‖Sn[img=17x22]1803dd554ef2d49.png[/img] (c [img=7x22]1803dd5556ef387.png[/img])︱Sn[img=17x22]1803dd555ed5977.png[/img]( c [img=7x22]1803dd5567a5404.png[/img]) (+)
B: (-)Zn︱Zn[img=17x22]1803dd553f645a0.png[/img](c[img=7x22]1803dd5547a1bc4.png[/img])‖Sn[img=17x22]1803dd554ef2d49.png[/img] (c [img=7x22]1803dd5556ef387.png[/img])︱Sn[img=17x22]1803dd555ed5977.png[/img]( c [img=7x22]1803dd5567a5404.png[/img]) ︱Pt(+)
C: (-)(Pt)Zn︱Zn[img=17x22]1803dd553f645a0.png[/img](c[img=7x22]1803dd5547a1bc4.png[/img])‖Sn[img=17x22]1803dd554ef2d49.png[/img] (c [img=7x22]1803dd5556ef387.png[/img]),Sn[img=17x22]1803dd555ed5977.png[/img]( c [img=7x22]1803dd5567a5404.png[/img]) ︱Pt (+)
D: (-)Zn︱Zn[img=17x22]1803dd553f645a0.png[/img](c[img=7x22]1803dd5547a1bc4.png[/img])‖Sn[img=17x22]1803dd554ef2d49.png[/img] (c [img=7x22]1803dd5556ef387.png[/img]),Sn[img=17x22]1803dd555ed5977.png[/img]( c [img=7x22]1803dd5567a5404.png[/img]) ︱Pt (+)
A: (-)Zn︱Zn[img=17x22]1803dd553f645a0.png[/img](c[img=7x22]1803dd5547a1bc4.png[/img])‖Sn[img=17x22]1803dd554ef2d49.png[/img] (c [img=7x22]1803dd5556ef387.png[/img])︱Sn[img=17x22]1803dd555ed5977.png[/img]( c [img=7x22]1803dd5567a5404.png[/img]) (+)
B: (-)Zn︱Zn[img=17x22]1803dd553f645a0.png[/img](c[img=7x22]1803dd5547a1bc4.png[/img])‖Sn[img=17x22]1803dd554ef2d49.png[/img] (c [img=7x22]1803dd5556ef387.png[/img])︱Sn[img=17x22]1803dd555ed5977.png[/img]( c [img=7x22]1803dd5567a5404.png[/img]) ︱Pt(+)
C: (-)(Pt)Zn︱Zn[img=17x22]1803dd553f645a0.png[/img](c[img=7x22]1803dd5547a1bc4.png[/img])‖Sn[img=17x22]1803dd554ef2d49.png[/img] (c [img=7x22]1803dd5556ef387.png[/img]),Sn[img=17x22]1803dd555ed5977.png[/img]( c [img=7x22]1803dd5567a5404.png[/img]) ︱Pt (+)
D: (-)Zn︱Zn[img=17x22]1803dd553f645a0.png[/img](c[img=7x22]1803dd5547a1bc4.png[/img])‖Sn[img=17x22]1803dd554ef2d49.png[/img] (c [img=7x22]1803dd5556ef387.png[/img]),Sn[img=17x22]1803dd555ed5977.png[/img]( c [img=7x22]1803dd5567a5404.png[/img]) ︱Pt (+)
举一反三
- 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]
- 将下列反应设计成原电池,不必用惰性电极的是( )。 A: H[img=7x22]1803dd54c4a87b6.png[/img]+Cl[img=7x22]1803dd54ccdd1cc.png[/img]=2HCl B: 2Fe[img=17x22]1803dd54d68f53a.png[/img] + Cu = 2Fe[img=17x22]1803dd54dee3a81.png[/img] + Cu[img=11x21]1803dd54e89f78a.png[/img] C: Ag[img=11x21]1803dd54f0b68dd.png[/img] + Cl[img=11x21]1803dd54f9957a3.png[/img] = AgCl D: 2Hg[img=17x22]1803dd550251254.png[/img] + Sn[img=17x22]1803dd550aaeb4f.png[/img] = Hg[img=17x27]1803dd5511f2954.png[/img] + Sn[img=17x22]1803dd551b2e2af.png[/img]
- 向[Cu(NH[img=7x22]1803dd51c2de467.png[/img])[img=7x22]1803dd51cb8fffa.png[/img]][img=17x22]1803dd51d4fec17.png[/img]水溶液中通人氨气,则( )。 A: [img=18x23]1803dd51dd87c39.jpg[/img]{[Cu(NH[img=7x22]1803dd51e66bab7.png[/img])[img=7x22]1803dd51efcfab1.png[/img]][img=17x22]1803dd51f7f4cb2.png[/img]}增大 B: [img=18x23]1803dd51dd87c39.jpg[/img]{[Cu(NH[img=7x22]1803dd51e66bab7.png[/img])[img=7x22]1803dd51efcfab1.png[/img]][img=17x22]1803dd51f7f4cb2.png[/img]}减小 C: c(Cu[img=17x22]1803dd522554f82.png[/img])增大 D: c(Cu[img=17x22]1803dd522554f82.png[/img])减小
- 向[Cu(NH[img=7x22]1803dd536bcc828.png[/img])[img=7x22]1803dd537482749.png[/img]][img=17x22]1803dd537d6d02e.png[/img]水溶液中通人氨气,则( )。 A: K[img=11x29]1803dd53859b819.png[/img]{[Cu(NH[img=7x22]1803dd538e3217f.png[/img])[img=7x22]1803dd5396dafff.png[/img]][img=17x22]1803dd539f14ef6.png[/img]}增大 B: K[img=11x29]1803dd53859b819.png[/img]{[Cu(NH[img=7x22]1803dd538e3217f.png[/img])[img=7x22]1803dd5396dafff.png[/img]][img=17x22]1803dd539f14ef6.png[/img]}减小 C: c(Cu[img=17x22]1803dd53ca43752.png[/img])增大 D: c(Cu[img=17x22]1803dd53ca43752.png[/img])减小
- 下列溶液中,pH最小的是( )。 A: 0.01mol·L[img=17x22]1803dd468b50c8d.png[/img]HCl B: 0.01mol·L[img=17x22]1803dd468b50c8d.png[/img]H[img=7x22]1803dd469c971d8.png[/img]SO[img=7x22]1803dd46a4c385b.png[/img] C: 0.01mol·L[img=17x22]1803dd468b50c8d.png[/img]HAc D: 0.01mol·L[img=17x22]1803dd468b50c8d.png[/img]H[img=7x22]1803dd46bead8c5.png[/img]C[img=7x22]1803dd46c744c56.png[/img]O[img=7x22]1803dd46d14691e.png[/img]