Electrochemistry questions
1808 published questions with worked solutions.
- An electric current of 'I' amperes was passed through a solution of an electrolyte for 't' seconds depositing 'W' grams of the...
- What is the equivalent mass of a metal having electrochemical equivalent of 3.4 10^ -7 kg ?
- In the electrolysis of NaCl, ________
- Number of Faradays required to liberate 2 g of hydrogen is _______
- The time required to pass 36,000 C through an electroplating bath using a current of 10 A is ________
- One Faraday electricity is passed through Al_2(SO_4)_3 solution, number of atoms of Al deposited at cathode will be ________
- The current in amperes when 11.74 g of nickel is deposited from a nickel (II) ion solution in 1000 second is ________ (At. Mass...
- Electrochemical equivalent of an element is __________
- 1.8 g of metal was deposited by a current of 3 A of 50 minutes. The equivalent mass of metal is ________
- Faraday's 1^ st law of electrolysis may be given as _________
- Electrochemical equivalent of a substance is the quantity liberated on passing electricity equal to _______
- The amount of electric charge on one mole of electron is __________
- The amount of electricity that should be passed through CuSO_4 solution with Cu electrodes to deposit 0.1 g atom of Cu is _______
- The number of electrons required to deposit 1 gm atom of aluminium (At. Wt. = 27) from a solution of aluminium chloride will be...
- During electrolysis of fused NaCl which of the following reaction takes place at cathode?
- When an aqueous solution of sodium chloride is electrolysed, the ion discharged at the cathode is _______
- How long would it take to deposit 100 g of aluminium from an electrolytic cell containing Al_2O_3 using a current of 125 A?...
- The unit of electrochemical equivalent is _______
- When the same quantity of electricity is passed through the solution of different electrolytes in series, the amount of products...
- The reaction taking place at the anode during electrolysis is _______
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