Write half equations for each of the following redox reactions:
i) 'Zn(s)+PbCl_2(aq) rarr Pb(s)+ZnCI_2(aq)'
ii) '2 Fe^(3+)(aq)+2 I-(aq) rarr I_2(aq)+2 Fe^(2+)(aq)'
iii) '2 Na(s)+Cl_2(g) rarr 2 NaCl(s)'

Write the half reactions for the following redox reaction. Zn(s) + 2H^+ (aq) rarr Zn^(2+) (aq) + H_2(g)

Write the half reaction for the following redox reaction. 2Fe^(3+)(aq) + 2l (aq) rarr I_2 (s) + 2Fe^(2+) (aq)

Complete the following reaction. (Zn_(s) + NaOH_(aq) rarr^(heat) ……………….)

Write the half-reactions for the following redox reactions: a) '2 Fe^(3+)(aq)+2 I-(aq) rarr 2 Fe^(2+)(aq)+l_2(aq)' b) 'Zn(s)+2 H^+(aq) rarr Zn^(2+)+H_2(g)' c) 'Al(s)+3 Ag^+(Aq) rarr Al^(3+)(aq)+ 3 Ag(s)'

Identify the limiting reagent in the above reaction. Zn_(s) + HCl_(aq) rarr ZnCl_(2(aq)) + H_(2(g))

Justify that the following reaction is a redox reaction: Fe_2O_3(s) + 3COg rarr 2Fe(s) + 3CO_2(g) ?

Balance the following redox reaction by ion electron method H_2O_2 (aq) + Fe^(2+) (aq) toFe^(3+)(aq) + H_2O (l) (acid medium)

Identify the oxidants and reductants in the following reactions. a. CH_4(g)+4 Cl_2(g) rarr C Cl_4(g)+4 HCl(g) b. 2 H^+(aq)+MnO_2(s)+C_2 H_2 O_4(aq) rarr Mn^(2+)(aq)+2 CO_2(g)+2 H_2 O(l) c. Cl_2(g)+2 Br^-(aq) rarr 2 Cl^-(aq)+Br_2(aq)

Identify the subtance oxidized, reduced, oxidizing agent and reducing agent ror each of the following reactions. a) '2 AgBr(s)+C_6 H_6 O_2(aq) rarr 2 Ag(s)+2 HBr(aq)+C_6 H_4 O_2(aq)' b) 'HCHO(l)+2[Ag(NH_3)_2]^+(a q)(+3) OH-(aq) rarr 2 Ag(s)+HCOO^-(aq)+ 4 NH_3(aq)+2 H_2 O(l)' c) 'HCHO(l)+2 Cu^(2+)(aq)+5 OH^-(aq) rarr Cu_2 O(s)+HCOO^-(aq)(+3) H_2 O(l)' d) 'N_2 H_4(l)+2 H_2 O_2(l) rarr N_2(g)+4 H_2 O(l)' e) 'Pb(s)+PbO_2(s)+2)H_2 SO_4(aq) rarr 2 PbSO_4(s)+2 H_2 O(I)'

Write the expression for the equilibrium constant, 'K_c' for each of the following reactions: i) '2 NOCl_(g)^ hArr 2 NO_(g)+Cl_2(g)' ii) '2 Cu(NO_3)_(s) hArr 2 CuO_(s)^2+4 NO_2(g)+O_2(g)' iii) 'CH_3 COOC_2 H_5(aq)+H_2 O_(l) hArr CH_3 COOH_(aq)+C_2 H_5 OH_(aq)' iv) 'F e_( (aq) ^(3+)+3 OH_ (aq)^- hArr F e(O H)_3(s)' v) 'I_2(s)+5 F_2 hArr 2 IF_5'