Electrochemistry questions
1808 published questions with worked solutions.
- Standard hydrogen electrode (SHE) is a [MHTCET 2019]
- Which among the following is correct for electrolysis of brine solution? [MHTCET 2019]
- In the electrolysis of aqueous sodium chloride with inert electrodes the products obtained at anode and cathode respectively are...
- Calculate E.M.F. of following cell at 298 K Zn(s)|ZnSO_4(0.01M)||CuSO_4(1.0M)|Cu(s) if E^ _ cell = 2.0 V [MHTCET 2019]
- The molar conductivities at infinite dilution for sodium acetate, HCl and NaCl are 91 S cm^2 mol^ -1 , 425.9 S cm^2 mol^ -1 and...
- The number of moles of electrons passed when current of 2 A is passed through a solution of electrolyte for 20 minutes is [MHTCET...
- How many Faradays of electricity are required to deposit 10 g of calcium from molten calcium chloride using inert electrodes?...
- The overall reaction taking place at anode during electrolysis of fused sodium chloride using suitable electrode is [MHTCET 2015]
- The process in which metal surface is made inactive is called [MHTCET 2015]
- At 25^ C molar conductance of 0.1 molar aqueous solution of ammonium hydroxide is 9.54 ^ -1 ,cm^2 ,mol^ -1 and at infinite...
- A button cell used in watches functions as following Zn(s) + Ag_2O(s) + H_2O(l) 2Ag(s) + Zn^ 2+ (aq) + 2OH^-(aq) If half-cell...
- According to Faraday's first law [MHTCET 2011]
- Given, for Sn^ 4+ /Sn^ 2+ , standard reduction potential is 0.15 V and for Au^ 3+ /Au, standard reduction potential is 1.5 V. For...
- Oxidation potential of unimolar calomel is [MHTCET 2010]
- The standard reduction potential for Mg^ 2+ /Mg is -2.37 V and for Cu^ 2+ /Cu is 0.337. The E^ _ cell for the following reaction...
- Copper is a divalent metal. The value of its electrochemical equivalent is 3.29 10^ -4 g. Its atomic mass is [MHTCET 2009]
- The reduction electrode potential, E of 0.1M solution of M^+ ions (E^ _ RP = -2.36 V) is [MHTCET 2009]
- Cu^+(aq) is unstable in solution and undergoes simultaneous oxidation and reduction, according to the reaction, 2Cu^+(aq) Cu^ 2+...
- The amount of silver deposited on passing 2 F of electricity through aqueous solution of AgNO_3 is [MHTCET 2007]
- EMF of hydrogen electrode in terms of pH is (at 1 atm pressure). [MHTCET 2007]
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