Electrochemistry questions
1808 published questions with worked solutions.
- Which groups can be easily separated as ions on dissolving the complex in a suitable solvent?
- Both Co^ 3+ and Pt^ 4+ have a coordination number of six. Which of the following pairs of complexes will show approximately the...
- Which of the following 0.1 M complex compound solutions will have the minimum electrical conductivity?
- Consider the following complexes, 1. K_2PtCl_6 2. PtCl_4 2NH_3 3. PtCl_4 3NH_3 4. PtCl_4 5NH_3 Their electrical conductances in...
- Copper displaces which of the metal from their salt solutions?
- A metal gets coated with a green basic carbonate when exposed to atmosphere. Metal is
- Four successive members of the first series of the transition metals are listed below. For which one of them, the standard...
- During galvanisation of iron, which metal is used for coating iron surface? [MHTCET 2018]
- The highest electrical conductivity of the following aqueous solutions is of
- According to the Faraday Law of electrolysis, the mass deposited at electrode proportional to :
- For the disproportionation of copper 2 Cu ^+ Cu ^ +2 + Cu , E^ is : (Given E^ for Cu ^ +2 / Cu is 0.34 V & E^ for Cu ^ +2 / Cu ^+...
- The ionic conductances of Ba ^ 2+ and Cl ^- are respectively 127 and 76 ohm ^ -1 cm ^ 2 at infinite dilution. The equivalent...
- Stand electrode potential are Fe ^ +2 / Fe : E^ = -0.44 Fe ^ +3 / Fe ^ +2 : E^ = 0.77 If Fe ^ +2 , Fe ^ +3 and Fe block re kept...
- The most convenient method to protect the bottom of ship made of iron is : -
- In electrolysis of NaCl when Pt electrode is taken then H _2 is liberated at cathode while with Hg cathode it forms sodium...
- On the basis of the information available from the reaction : 4 3 Al + O _2 2 3 Al _2 O _3, G = -827 kJ mol ^ -1 of O _2, the...
- The e.m.f. of a Daniell cell at 298 K is E_1. Zn/ZnSO _4(0.01 M ) || CuSO _4(1.0 M )/ Cu When the concentration of ZnSO _4 is 1.0...
- The standard e.m.f. of a galvanic cell involving cell reaction with n = 2 is found to be 0.295 V at 25^ . The equilibrium...
- If E^ _ Fe ^ 2+ / Fe = -0.441 V and E^ _ Fe ^ 3+ / Fe ^ 2+ = 0.771 V , the standard EMF of the reaction : Fe + 2 Fe ^ 3+ 3 Fe ^...
- The equilibrium constant of the reaction : Cu (s) + 2 Ag ^+(aq) Cu ^ 2+ (aq) + 2 Ag (s) ; E^0 = 0.46 V at 298 K is :
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