Electrochemistry questions
1808 published questions with worked solutions.
- **Statement 1:** A current of 96.5 A is passed into aqueous AgNO_3 solution for 100 s. The weight of silver deposited is 10.8 g...
- What will be the pH of the aqueous solution of electrolyte in an electrolytic cell during electrolysis of CuSO_4 (aq) between...
- The number of coulombs required to reduce 12.3 g of nitrobenzene to aniline is
- The charge required for reduction of 1 mole of Cr_2O_7^ 2- ions to Cr^ 3+ is
- When the same quantity of electricity is passed through aqueous AgNO_3 and H_2SO_4 solutions connected in series, 5.04 10^ -2 g...
- In the electrolysis of acidulated water, it is desired to obtain 1.12 cc of hydrogen per second under STP conditions. The current...
- During the electrolysis of molten NaCl, 230 g of sodium metal is deposited at the cathode. How many moles of chlorine will be...
- When X amperes of current is passed through molten AlCl_3 for 96.5 s, 0.09 g of aluminium is deposited. What is the value of X?
- The amount of electricity required to produce one mole of copper from copper sulphate solution will be
- Use of electrolysis is not done in
- Calculate the volume of H_2 gas at NTP obtained by passing 4 A through acidified H_2O for 30 min.
- A current of strength 2.5 A was passed through CuSO_4 solution for 6 min 26 s. The amount of copper deposited is (At. wt. of Cu =...
- In acidic medium MnO_4^- is converted to Mn^ 2+ . The quantity of electricity in faraday required to reduce 0.5 mole of MnO_4^-...
- The laws of electrolysis were proposed by
- What is the quantity of electricity required to deposit all the silver from 250 mL of 1 M AgNO_3 solution?
- The amount of electricity required to liberate 1 g-equivalent of Cu is
- The number of coulombs required for the deposition of 107.870 g of silver is
- Give the products available at the cathode and the anode respectively during the electrolysis of an aqueous solution of MgSO_4...
- A solution of CuSO_4 is electrolysed for 10 min with a current of 1.5 A. What is the mass of copper deposited at the cathode?
- If 3 F of electricity is passed through solutions of AgNO_3 , CuSO_4 and AuCl_3 , the molar ratio of the cations deposited at the...
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