Electrochemistry questions
1808 published questions with worked solutions.
- When an electrolytic solution conducts electricity, current is carried out by
- The equilibrium constant for the reaction Cu +2 Ag^+ (aq) Cu^ 2+ (aq)+2 Ag ; E^ =0.46 V at 298 K is
- Faraday's law of electrolysis fails when
- E^ of an electrode is a(n)
- The hydrogen electrode is dipped in a solution of pH =3 at 25^ . The reduction potential of the cell would be
- 20 g of chlorine are evolved in 6 hours from sodium chloride solution by a current of
- If denotes standard reduction potential, which is true?
- Electroplating with chromium is undertaken because
- When an electric current is passed through an aqueous solution of sodium chloride
- In the electrolysis of CuCl_2 solution using Cu electrodes, the mass of the cathode increases by 3.18 g. What happened at the...
- Which process occurs in the electrolysis of an aqueous solution of nickel chloride at the nickel anode?
- In the electrolysis of which solution are OH^- ions discharged in preference to Cl^- ions?
- Salts of A (atomic weight 7), B (atomic weight 27) and C (atomic weight 48) were electrolysed under identical conditions using...
- The corrosion of an iron object is favoured by
- In which cell is electrical energy converted into chemical energy?
- A certain current liberates 0.504 g of hydrogen in 2 hours. How many grams of copper can be liberated by the same current flowing...
- Which is correct about fuel cells?
- Standard reduction potential of an element is equal to
- The increase in equivalent conductivity of a weak electrolyte solution with dilution is attributed to
- The resistance of 0.01 N solution of an electrolyte was found to be 210 ohm at 298 K, using a conductivity cell of cell constant...
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