निम्न सैलों के `298 K` पर नशर्ट समीकरण तथा ई०एम०एफ० लीखिए -
(i) `Mg(s) +Mg^(2+)(0.001M)||Cu^(2+)(0.0001M)|Cu(s)`
(ii) `Fe(s)+Fe^(2+)(0.001M)||H^(+)(1M)|H_(2)(g)(1 "bar")|Pt(s)`
(iii) ` Sn(s)+Sn^(2+)(0.050M)||H^(+)(0.0020M)|H_2(g)(1"bar")|Pt(s)`
(iv) ` Pt (s) |Br_(2)(1)(0.010M)||H^(+)(0.030 M)|H_(2)(g)(1 "bar")|Pt(s)`.

Write the Nernst equation and emf of the following cells at 298 K: (i) Mg(s)|Mg^(2+) (0.001M)|Cu^(2+)(0.0001 M)|Cu(s) (ii) Fe(s)|Fe^(2+)(0.001M)|H^(+) (1M)|H_(2)(g) (1bar) | Pt(s) (iii) Sn(s)|Sn^(2+) (0.050 M)|H^(+)(0.020 M)|H_(2)(g) (1 "bar" )|Pt(s) (iv) Pt(s) |Br_(2)(l) |Br^(-)(0.010 M) |H^(+)(0.030 M)|H_(2)(g) (1 "bar"))|Pt(s) .

Write the Nernst equation and EMF of the following cells at 298K : a. Mg(s)|Mg^(2+)(0.001M)||Cu^(2+)(0.0001M)|Cu(s) b. Fe(s)|Fe^(2+)(0.001M)||H^(o+)(1M)|H_(2)(g)(1 ba r)|Pt(s) c. Sn(s)|Sn^(2+)(0.050M)||H^(o+)(0.020M)|H_(2)(g)(1 ba r)|Pt(s) d. Pt(s)|Br_(2)(1)|Br^(-)(0.010M)||H^(o+)(0.030M)|H_(2)(g)(1 ba r)|Pt(s)

Write the Nernst equation and EMF of the following cells at 298K : a. Mg(s)|Mg^(2+)(0.001M)||Cu^(2+)(0.0001M)|Cu(s) b. Fe(s)|Fe^(2+)(0.001M)|H^(o+)(1M)|H_(2)(g)(1 ba r)|Pt(s) c. Sn(s)|Sn^(2+)(0.050M)||H^(o+)(0.020M)|H_(2)(g)(1 ba r)|Pt(s) d. Pt(s)|Br_(2)(1)|Br^(c-)(0.010M)||H^(o+)(0.030M)|H_(2)(g)(1 ba r)|Pt(s)

Write the Nernst equation and emf of the following'cells at -298 ~K: i. Mg(s) I M_g^2 *(0.001 M) II Cu^2+(0.0001 M) ICu(s) ii, Fe(s) I Fe^2+(0.001 M) II H^+(1 M) I H_2(~g)(lbar) I^2 Pt(s)^* ii. Sn(s) I Sn^2+(0.050 M) IHH^+(0.020 M) IH(g)(1 'bar)IPt(s) iv. Pt(s) IBr_3(I) IBr(0.010 M) IIH^+(0.030 M) L+H_2(~g) (1 bar)IPt(s).

Write the Nernst equation and emf of the following cells at 298K. (i) Sn(s) | Sn^(2+) ( 0.050M)|| H^(+) ( 0.020M)| H_(2) ( g, 1"bar") | Pt(s) (ii) Pt(s) | Br_(2) ( l ) | Br^(-)(0.010M) || H^(+) (0.030M) | H_(2)(g, 1"bar") | Pt (s)

E_("cell") of the following is Pt(s)|H_(2)(g), 1 "bar" |H^(+)(1M)||H^(+) (0.1 M)| H_(2)(g), I " bar" |Pt(s)