Cell Potential, Gibbs Energy and Equilibrium Constant

JEE Main Chemistry · Electrochemistry · 12 questions, latest first

• Given at 298 K: E_Fe^2+ / Fe^ =X Volt; E_Fe^3+ / Fe^ =Y Volt The E_Fe^3+ / Fe^2+^ in Volt at 298 K is given by:20268 April, Shift 2 · Q56
• For a general redox reaction Anode Red_1 → Ox_1^n_1^++n_1 e^- Cathode O x_2+n_2 e^- → Red_2^n_2- Which of the following statement…20266 April, Shift 2 · Q57
• Consider the following two half-cell reactions along with the standard reduction potential given: CO_2+6 H^++6 e^- → CH_3 OH+H_2…20262 April, Shift 2 · Q73
• For the given cell Fe^2+_(aq)+Ag_(aq)^+ → Fe_(aq)^3++Ag_(s) The standard cell potential of the above reaction is Given: Ag^++e^-…202524 January, Shift 1 · Q56
• Standard electrode potentials for a few half cells are mentioned below: E_Cu^2+ / Cu^°=0.34 V, E_Zn^2+ / Zn^°=-0.76 V; E_Ag^+ /…202523 January, Shift 2 · Q53
• FeO_4^2- →+2.0 V Fe^3+ →0.8 V Fe^2+ →-0.5 V Fe^0 In the above diagram, the standard electrode potentials are given in volts (over…202523 January, Shift 1 · Q57
• Consider the following redox reaction: MnO_4^-+H^++H_2 C_2 O_4 ⇌ Mn^2++H_2 O+CO_2 The standard reduction potentials are given as…20241 February, Shift 2 · Q85
• In an electrochemical reaction of lead, at standard temperature, if E_(Pb^2+ / Pb)^°=m Volt and E_(Pb^4+ / Pb)^°=n Volt, then the…202311 April, Shift 1 · Q86
• FeO_4^2- →+2.2 V Fe^3+ →+0.70 V Fe^2+ →-0.45 V Fe^0 E_FeO_4^2- / Fe^2+^0 is x × 10^-3 V. The value of x is ____202310 April, Shift 1 · Q86
• The number of incorrect statements from the following is ____ A. The electrical work that a reaction can perform at constant…20238 April, Shift 2 · Q86
• The logarithm of equilibrium constant for the reaction Pd^2++4 Cl^- ⇌ PdCl_4^2- is ____ (Nearest integer) Given: (2.303…202331 January, Shift 1 · Q56
• The equilibrium constant for the reaction Zn(s)+Sn^2+(aq) ⇌ Zn^2+(aq)+Sn(s) is 1 × 10^20 at 298 K. The magnitude of standard…202329 January, Shift 2 · Q58