निम्नलिखित अभिक्रिया को सेल आरेख में लिखिए(i) `2Fe(s) + 3Cd^(2+)(aq) rarr 2Fe^(3+)(aq) + 3Cd(s)`
(ii) `Cu(s) + 2Ag^(+)(aq) rarr 2Ag(s) + Cu^(2+) (aq)`

The reaction Co(s) + Cu^(2+)(aq) rarr Co^(2+)(aq) + Cu(s) is-

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 -

Calculate the standard cell potentials of galvanic cell in which the following reactions take place. (i) 2Cr(s) + 3Cd^(2+)(aq) to 2Cr^(3+) (aq) + 3Cd (ii) Fe^(2+)(aq) + Ag^(+)(aq) to Fe^(3+)(aq) + Ag(s) Calculate the ΔrG and equilibrium constant of the reactions.

Write Nernst equation for the reaction: (i) 2Cr(s) +3Cd^(2+)(aq) to 2Cr^(3+) (aq) +3Cd(s)

Using the standard electron potentials given in the Table 8.1, predict if the reaction between the following is feasible : (a) Fe^(3+) (aq) and I^(-) (aq) (b) Ag^(+)(aq) and Cu(s) (c) Fe^(3+) (aq) and Cu (s) (d) Ag(s) and Fe^(3+)(aq) (e) Br_(2) (aq) and Fe^(2+) (aq)

Select the correct statement(s) for the given relation Cu(s)+2Ag^(+)(aq)rarrCu^(2+)(aq)+2Ag(s)