Chemistry questions
29404 published questions with worked solutions.
- In the cell reaction Ag(s) + Cu^ 2+ (aq) + Br^-(aq) → AgBr(s) + Cu(s), the reduction half reaction is
- The main difference between conventional electrochemical cell and fuel cell is the materials undergoing oxidation at the anode or...
- Ag/AgCl(s), Cl^-(aq): Ag(s) + Cl^- ⇌ ? + e^-
- Salt bridge is used because it
- In the cell Cu | Cu^ 2+ || Ag^+ | which is not applicable?
- 1 2 H_2(g) → H^+ + ? (Oxidation)
- The Calomel electrode can be represented as
- Which of the following are examples of sparingly soluble salt electrodes?
- Which of the following are examples of redox electrodes?
- In a cell of NHE (Normal Standard hydrogen electrode) and calomel electrode, the reaction taking place at calomel electrode will...
- A metal rod dipped into a solution containing its own ions at unit activity at 298 K is called
- Calomel electrode is an example of
- The reduction potential of NCE at 298 K is
- Standard cell electrode potential is expressed as
- Nernst equation is given by
- Single electrode potential is
- According to Nernst theory, potential developed at an electrode is due to:
- The electrode whose potential depends upon the concentration of a particular ion present in its surrounding solution is called
- Which of the following is placed above the pure mercury in calomel electrode?
- The electrode consists of a metal in contact with its sparingly soluble salt and an electrolyte containing a common ion called as