Electrochemistry questions
1808 published questions with worked solutions.
- Identify representation of standard hydrogen electrode ?
- Molar conductivity of 0.01 M CH_3COOH is 19.5 ^ -1 cm^2mol^ -1 Calculate its degree of dissociation if molar conductivity at zero...
- In a certain electrolysis experiment, 0.650 g of zinc is deposited in a cell having ZnSO_4. Calculate mass of Cu deposited in...
- What is the value of conductivity of 0.01 M solution of an electrolyte having molar conductivity 141 ^ -1 cm^2mol^ -1 ?
- What will be the weight of Al deposited at cathode, when 0.5 faraday of electricity is passed through aqueous solution of AlCl_3...
- Which from following options is true when an electrolyte solution is diluted ?
- The standard potential of Cu^ +2 /Cu is 0.34 V at 298 K. Calculate its potential at the same temperature when the Cu^ +2 ion...
- Identify the function of salt bridge
- Which of the following statements is true about the voltaic cell?
- Which of the following statements is correct regarding electrolysis of molten NaCl?
- At 298 K, the specific conductance ( ) of a 0.0020 M NaCl solution is 2.50 10^ -4 S cm^ -1 . Calculate the molar conductivity of...
- Calculate the E^0_ cell for Zn_ (s) ,| ,Zn^ ++ _ (1M) ,|| ,Cd^ ++ _ (1M) ,| ,Cd_ (s) at 25^0C [E^0_ Zn = -0.763V; E^0_ Cd =...
- Calculate the degree of dissociation of 0.01 M acetic acid at 25^oC [ _c = 15.0 ^ -1 , cm^2 ,mol^ -1 and _0 = 300 ^ -1 cm^2 ,mol^...
- What is the concentration of an electrolytic solution to have molar conductivity of 100 , ^ -1 cm^2 ,mol^ -1 and conductivity of...
- Cell constant of a conductivity cell is 0 9 cm^ -1 and resistance shown by AgNO_3 solution is 6530 ohm. What is the conductivity...
- Which of the following cannot be used as standard solution for determination of cell constant of conductivity cell ?
- The resistance of conductivity cell filled with 0.1 M KCl solution is 100 ohm and conductivity is 1.70 10^ -4 S ,cm^ -1 What is...
- The conductivity of 0.02 M KCl solution is 0.00250 ohm^ -1 cm^ -1 What is it's molar conductivity ?
- How long will it take to produce 5.4 g of Ag from molten AgCl by passing 5 amp current? (molar mass Ag = 108 g mol^ -1 )
- Which of the following is NOT an example of secondary voltaic cell?
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