Chemistry questions
29404 published questions with worked solutions.
- Corrosion of iron is essentially an electrochemical phenomenon where the cell reactions are _____
- Which reaction occurs at the anode during the electrolysis of fused lead bromide?
- Which one of the following is an INCORRECT statement for an electrochemical cell?
- If a salt bridge is removed, between the two half – cells, the voltage _____
- Which statement is NOT true for the given reaction, Fe^ 3+ + e^- Fe^ 2+ ?
- The electrolytic conductance is a direct measure of _____
- A device in which electrical energy is produced from chemical reactions is called _____
- 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...