Electrochemistry questions
1808 published questions with worked solutions.
- Rusting of iron is catalysed by which of the following?
- Zn_ (s) |Zn^ 2+ _ (aq) ||Cu^ 2+ _ (aq) |Cu_ (s) is _____
- The electrolytic decomposition of dilute sulphonic acid with platinum electrode in cathodic reaction is _____
- Faraday constant _____
- Among Na, Hg, S, Pt and graphite which can be used as electrodes in electrolytic cells having aqueous solutions?
- Conductivity of 0.01 M NaCl solution is 0.00147 ohm^ -1 ,cm^ -1 . What happens to this conductivity if extra 100 mL of H_2O will...
- Charge required to liberate 11.5 g sodium is _____ [AIIMS 1992]
- Number of Faraday's required to deposit 4 g of H_2 is _____
- Which of the following statements is NOT applicable to electrolytic conductors? [AIIMS 1991]
- The products formed when an aqueous solution of NaBr is electrolysed in a cell having inert electrodes are _____ [AIIMS 2006]
- Cd|Cd^ +2 ||Fe^ +3 |Fe^ +2 , Which of the following reaction occurs at the +ve electrode? [MH CET 2011]
- The molar conductance's of two strong electrolytes at infinite dilution of H_2O (where ions move freely through a solution) at...
- The conductance of a M/10 KCl at 25^ is 0.0112 ohm^ -1 ,cm^ -1 . The resistance of cell containing solution at the same...
- When one coulomb of charge is passed the quantity of silver deposited is _________ [MH CET 2010]
- The value of one Faraday is ________ [AMU 1983, AFMC 1989, MP PET 2001]
- When 0.5 amp of current was passed for 200 seconds, 0.34 gm of copper was deposited, the electrochemical equivalent of copper...
- Electrolysis is a process in which the cations and anions of the electrolyte are ________ [MP PET 1995]
- The amount of silver deposited by passing 241.25 coulombs of current through silver nitrate solution is ________
- From the solution of which of the following one Faraday of electricity will liberate one gram atom of metal?
- When 0.1 mol MnO_4^ 2- is oxidised the quantity of electricity required to completely oxidise MnO_4^ 2- to MnO_4^- is _________...
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