Electrochemistry questions
1808 published questions with worked solutions.
- When an aqueous solution of lithium chloride is electrolysed using graphite electrodes
- Which aqueous solution will conduct an electric current quite well?
- Standard reduction potentials for Li^+|Li , Zn^ 2+ |Zn , H^+|H_2 and Ag^+|Ag are -3.05, -0.762, 0.00 and +0.80 V respectively....
- During the charging of a lead storage battery, the reaction at the anode is represented by
- The electrode potential measures the
- Total charge on 1 mole of a monovalent metal ion is equal to
- How many coulombs of electricity are consumed when a 100 mA current is passed through a solution of AgNO_3 for 30 minutes during...
- The standard e.m.f. of a galvanic cell involving a cell reaction with n=2 is found to be 0.295 V at 25^ . The equilibrium...
- During electrolysis of an aqueous solution of Cu^ 2+ sulphate, 0.635 g of copper was deposited at the cathode. The amount of...
- The art of electroplating was given by
- The algebraic sum of potentials of two electrodes of a galvanic cell is called
- The oxidation potentials of Mg and Al are +2.37 and +1.66 volt respectively. In chemical reactions, Mg
- The cell reaction for the given cell Pt(H_2) _ P_1=1 ,atm ,| , pH =2 ,| , pH =3 ,| , Pt(H_2) _ P_2=1 ,atm is
- A cell necessarily does not contain
- The cell reaction for the given cell is spontaneous if: Pt,Cl_2 (P_1) ,| , Cl^- (1 ,M) ,|| , Cl^- (1 ,M) ,| , Pt,Cl_2 (P_2)
- The number of electrons involved in redox reactions when a faraday of electricity is passed through an electrolyte in solution is
- In a galvanic cell, which is wrong?
- The correct order of chemical reactivity with water according to the electrochemical series is
- Hydrogen-oxygen fuel cells are used in spacecraft to supply
- The standard reduction potentials of some electrodes are E^ ( K^+/K )=-2.9 V, E^ ( Zn^ 2+ /Zn )=-0.76 V, E^ ( H^+/H_2 )=0.00 V,...
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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