Hg<sub>2</sub>Cl<sub>2</sub>的,K<sup>θ</sup><sub>SP</sub>为1.3×10<sup>-18</sup>,0.1升饱和溶液的浓度是()mol.L<sup>-1</sup>
A、6.88×10-7
B、1.68×10-4
C、6.88×10-8
D、1.14×10-9
A、6.88×10-7
B、1.68×10-4
C、6.88×10-8
D、1.14×10-9
A、电极反应为Hg<sub>2sub>2++2e→Hg; B、属于第一类电极; C、对阴离子可逆,电极电势较稳定; D、电极电势为φ(Hg<sub>2sub>Cl<sub>2sub>)=φ0(Hg<sub>2sub>Cl<sub>2sub>)+(RT/2F)lna(Cl-)
A、Cd2++2e→Cd B、PbSO<sub>4sub>(s)+2e→Pb+SO<sub>4sub>2- C、Hg<sub>2sub>SO<sub>4sub>(s)+2e→2Hg(l)+SO<sub>4sub>2- D、Hg<sub>2sub>Cl<sub>2sub>(s)+2e→2Hg(l)+2Cl-
A、Zn│ZnCl<sub>2sub>(aq)│Cl<sub>2sub>(g)│Pt B、Zn│ZnCl<sub>2sub>(aq)‖KCl(aq)│AgCl(s)│Ag C、Ag│AgCl(s)│KCl(aq)│Cl<sub>2sub>(g)│Pt D、Hg│Hg<sub>2sub>Cl<sub>2sub>(s)│KCl(aq)‖AgNO<sub>3sub>(aq)│Ag
A、φ<sub>1sub>〉φ<sub>2sub>〉φ<sub>3sub> B、φ<sub>2sub>〉φ<sub>1sub>〉φ<sub>3sub> C、φ<sub>3sub>〉φ<sub>2sub>〉φ<sub>1sub> D、φ<sub>1sub>=φ<sub>2sub>=φ<sub>3sub>
A、F<sub>2sub>>Cl<sub>2sub>>Br<sub>2sub>>I<sub>2sub> B、Br<sub>2sub>>I<sub>2sub>>F<sub>2sub>>Cl<sub>2sub> C、Cl<sub>2sub>>F<sub>2sub>>I<sub>2sub>>Br<sub>2sub> D、I<sub>2sub>>Br<sub>2sub>>Cl<sub>2sub>>F<sub>2sub>
A、φ0<sub>1sub>>φ0<sub>2sub>>φ0<sub>3sub> B、φ0<sub>2sub>>φ0<sub>1sub>>φ0<sub>3sub> C、φ0<sub>3sub>>φ0<sub>2sub>>φ0<sub>1sub> D、φ0<sub>1sub>=φ0<sub>2sub>=φ0<sub>3sub>
A、Cl<sub>2sub>〉F<sub>2sub>〉Br<sub>2sub>〉I<sub>2sub> B、F<sub>2sub>〉Cl<sub>2sub>〉Br<sub>2sub>〉I<sub>2sub> C、I<sub>2sub>〉Br<sub>2sub>〉Cl<sub>2sub>〉F<sub>2sub> D、Br<sub>2sub>〉I<sub>2sub>〉F<sub>2sub>〉Cl<sub>2sub>
A、[Cr(NH<sub>3sub>)<sub>4sub>(H<sub>2sub>O)<sub>2sub>]Cl<sub>3sub> B、[Cr(NH<sub>3sub>)<sub>4sub>(H<sub>2sub>O)<sub>2sub>Cl]Cl<sub>2sub> C、[Cr(NH<sub>3sub>)<sub>4sub>(H<sub>2sub>O)CL]Cl<sub>2sub>·H<sub>2sub>O D、[Cr(NH<sub>3sub>)<sub>4sub>Cl<sub>2sub>]Cl·2H<sub>2sub>O
A、NO+NO+Cl<sub>2sub>=2NOCl B、Cl<sub>2sub>=2Cl(慢)NO+Cl=NOCl(快) C、Cl<sub>2sub>=2Cl(快)NO+Cl=NOCl(慢) D、2NO= N<sub>2sub>O<sub>2sub>(快)Cl<sub>2sub>+ N<sub>2sub>O<sub>2sub>= 2NOCl(慢)