Electrochemistry questions
1808 published questions with worked solutions.
- A KCl solution of conductivity 0.14 S m^ -1 shows a resistance of 4.19 in a conductivity cell. If the same cell is filled with an...
- The correct order of conductivity of ions in water is :
- The molar conductivities at infinite dilution of barium chloride, sulphuric acid and hydrochloric acid are 280, 860 and 426 Scm^2...
- Assume a cell with the following reaction Cu(s)+2Ag^+(1 10^ -3 M) Cu^ 2+ (0.250M)+2Ag(s) E^0_ cell =2.97V E_ cell for the above...
- The magnitude of the change in oxidising power of the MnO_4^-/Mn^ 2+ couple is x 10^ -4 V, if the H^+ concentration is decreased...
- The electrode potential of M / M of 3d-series elements shows positive value of :
- 4.5g of aluminium (at. mass 27 amu) is deposited at cathode from Al^ 3+ solution by a certain quantity of electric charge. The...
- The product obtained from the electrolytic oxidation of acidified sulphate solutions, is :
- The conductivity of a weak acid HA of concentration 0.001 mol L^ -1 is 2.0 10^ -5 S cm^ -1 . If ^ _m(HA) = 190 S cm^2 mol^ -1 ,...
- For the cell Cu(s) |Cu^ 2+ (aq) (0.1M) || Ag^+(aq) (0.01 M) | Ag(s) the cell potential E_1 = 0.3095 V. For the cell Cu(s) |Cu^ 2+...
- The resistance of a conductivity cell with cell constant 1.14 cm^ -1 , containing 0.001 M KCl at 298 K is 1500 . The molar...
- Copper reduces NO_3^- into NO and NO_2 depending upon the concentration of HNO_3 in solution. (Assuming fixed [Cu^ 2+ ] and P_ NO...
- Consider the cell at 25°C Zn | Zn^ 2+ (aq), (1 M) || Fe^ 3+ (aq), Fe^ 2+ (aq) |Pt(s) The fraction of total iron present in the...
- For the galvanic cell, Zn(s) + Cu^ 2+ (0.02M) Zn^ 2+ (0.04 M) + Cu(s), E_ cell =________ 10^ -2 V. (Nearest integer) [Use : E^0_...
- Statement I : The limiting molar conductivity of KCl (strong electrolyte) is higher compared to that of CH_3COOH (weak...
- Emf of the following cell at 298 K in V is x 10^ -2 . Zn|Zn^ 2+ (0.1 M) || Ag^+ (0.01 M) | Ag. The value of x is ________....
- Consider the following reaction MnO_4^-+8H^++5e^- Mn^ 2+ +4H_2O, E^0 = 1.51 V. The quantity of electricity required in Faraday to...
- The cell potential for the following cell Pt | H_ 2 (g) | H^ + (aq) || Cu^ 2+ (0.01 M) | Cu(s) is 0.576 V at 298 K. The pH of the...
- The resistance of a conductivity cell containing 0.01 M KCl solution at 298 K is 1750 . If the conductivity of 0.01 M KCl...
- The molar conductivity of a conductivity cell filled with 10 moles of 20 mL NaCl solution is _ m _ 1 and that of 20 moles another...
Other chapters
Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration