Electrochemistry questions
1808 published questions with worked solutions.
- A dilute solution of Li_2SO_4 is electrolyzed. The products formed at the anode and cathode, respectively, are
- If 1 faraday of charge is passed through a solution of CuSO_4 , the amount of copper deposited will be equal to its
- Which species loses its charge at the cathode?
- Which of the following is not true for a standard hydrogen electrode?
- When a Zn piece is kept in CuSO_4 solution, copper gets precipitated because
- The number of faradays required to liberate 1 mole of any element indicates
- The electrode potential of a glass electrode depends upon
- The electrolysis of a solution resulted in the formation of H_2 at the cathode and Cl_2 at the anode. The liquid is
- The amount of an ion discharged during electrolysis is not dependent on
- Blocks of magnesium metal are often strapped to the steel hulls of ocean-going ships in order to
- The standard reduction electrode potential values of elements A, B and C are +0.68, -2.50 and -0.50 V respectively. The order of...
- The calomel electrode is a
- The passage of (conventional) electric current in the Daniell cell, when Zn and Cu electrodes are connected externally, is
- Electrolysis of an aqueous solution of LiCl shows
- In the electrodeposition of Ag, the silver ions are
- The number of electrons (count, not charge) involved when a faraday of electricity is passed through an electrolyte in solution is
- On electrolysing a solution of dilute H_2SO_4 between platinum electrodes, the gases evolved at the anode and cathode are...
- At 25^ , the standard emf of a cell having a reaction involving a two-electron change is found to be 0.295 V. The equilibrium...
- When an electric current is passed through acidulated water, 112 mL of hydrogen gas at STP collects at the cathode in 965...
- For the cell reaction Fe +2 Fe^ 3+ =3 Fe^ 2+ , which of the following is not possible?
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