Electrochemistry questions
1808 published questions with worked solutions.
- A galvanic cell is constructed using the redox reaction 12 H_2 (g)+ AgCl (s) H^+ (aq)+ Cl^- (aq)+ Ag (s). It is represented as
- What is the cell reaction occurring in the Daniel cell (galvanic cell)?
- A galvanic cell is a device in which
- What flows in the internal circuit of a galvanic cell?
- In the electrolytic cell, the flow of electrons is from
- When a lead storage battery is discharged
- In a hydrogen-oxygen fuel cell, combustion of hydrogen occurs to
- The best way to prevent rusting of iron is
- Stainless steel does not rust because
- The process of zinc-plating on an iron sheet is known as
- Several blocks of magnesium are fixed to the bottom of a ship to
- **Statement 1:** Lead storage battery is a secondary cell. **Statement 2:** Lead storage battery is used in automobiles and...
- **Statement 1:** In a Daniel cell, if the concentrations of Cu^ 2+ and Zn^ 2+ ions are both doubled, the emf of the cell will be...
- **Statement 1:** An electrochemical cell can be set up only if the redox reaction is spontaneous. **Statement 2:** A reaction is...
- **Statement 1:** If ^ _ Na^+ and ^ _ Cl^- are the molar limiting conductivities of the sodium and chloride ions respectively,...
- **Statement 1:** The cell potential of the mercury cell is 1.35 V, which remains constant throughout its life. **Statement 2:**...
- The limiting molar conductivities ^ for NaCl, KBr and KCl are 126, 152 and 150 S ,cm^2 ,mol^ -1 respectively. The ^ for NaBr is
- How many faradays of electricity are required to electrolyse 1 mole of CuCl_2 to copper metal and chlorine gas?
- Which of the following compounds will not undergo decomposition on passing electricity through its aqueous solution?
- Strong electrolytes are those which
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