निम्नलिखित सैलों के लिये सैल अभिक्रिया लीखिए -
(i) ` Pt, H_2 (g) |H^(+)(aq)||Ag^(+)(aq)|Ag(s)`
(ii) `Ni(s)|Ni^(2+)(aq)||Cu^(2+)(aq)|Cu(s)`

Write the cell reaction for each of the following cells. Ni(s)|Ni^(2+)(aq)||Cu^(2+)(aq)|Cu(s).

E.M.F. of Ni(s) | Ni^(2+) (aq)||Cu^(2+) (aq)| Cu(s) cell can be increased by

E.M.F. of Ni(s) (ni^(2+) (aq)||Cu^(2+) (aq)| Cu(s) cell can be increased by

Write the cell reaction for each of the following cells. Pt,H_(2)(g)|H^(+)(aq)|Ag^(+)(aq)|Ag(s)

Which cell will measure standard electrode potential of copper electrode? (a) Pt(s)|H_(2)(g ,0.1"bar")|H^(+)(aq.,1M)||Cu^(2+)(aq,1M)|Cu (b) Pt(s)|H_(2)(g,1"bar")|H^(+)(aq ,1M)||Cu^(1+)(aq,2M)|Cu (c) Pt(s)|H_(2)(g ,1"bar")|H^(+)(aq,1M)||Cu^(2+)(aq,1M)|Cu (d) Pt(s)|H_(2)(g,1"bar")|H^(+)(aq,1M)||C u^(2+) (aq,1M)|Cu

1/2 H_2(g)+AgCl(s)=H^+ (aq)+Cl^(-) (aq)+Ag(s) occurs in the galvanic cell:

Under standard conditions, the following reactions occur spontaneously : (i) Zn(s)+2Ag^(+)(aq)rarrZn^(2+)(aq)+2Ag(s) (ii) Fe(s)+Cu^(2+)+(aq)rarrCu(s)+Fe^(2+)(aq) (iii) Cu(s)+2Ag^(+)(aq)rarr Cu^(2+)(aq)+2Ag(s) (iv) Zn(s)+Cu^(2+)(aq)rarrCu(s)+Zn^(2+)(aq) (v) Zn(s)+Fe^(2+)(aq)rarr Fe(s)+Zn^(2+)(aq) (vi) Fe(s)+2Ag^(+)(aq)rarr Fe^(2+)(aq)+2Ag(s) If E_(Zn^(2+)|Zn)^(@), E_(Fe^(2+)|Fe)^(@), E_(Ag^(+)|Ag)^(@) and E_(Cu^(2+)|Cu)^(@) have value of x, y, z and p volt respectively, then -

Select the correct cell reaction of the cell Ag(s)|Ag^+(aq)"||"Cu^(2+)(aq)"|"Cu(s) :

Select the correct cell reaction of the cell Pt(s)|Cl_2(g)|Cl^(-)(aq)"||"Ag^+(aq)|Ag(s) :

Select the correct cell reaction of the cell Pt(s)|Cl_2(g)|Cl^(-)(aq)"||"Ag^+(aq)|Ag(s) :