ELECTROCHEMISTRY(CLASS 12) IMPORTANT QUESTIONS ASKED FOR CBSE BOARD EXAM

 

1 Mark Questions

1. Define electrode potential.

2. Write the unit of conductance.

3. Name the electrolyte used in lead storage battery.

4. What is the value of standard hydrogen electrode potential?

2 Mark Questions

1. Write the Nernst equation for a half-cell.

2. Why is zinc used as an anode in galvanic cells?

3. State Faraday’s first law of electrolysis.

3 Mark Questions

1. Write the cell reaction and cell notation for Daniell cell.

2. Explain the working of a dry cell.

3. Define molar conductivity. How does it vary with dilution?

 5 Mark Questions (VERY IMPORTANT 🔥)

1. Derive the relationship between ΔG° and E°cell.

2. Explain Faraday’s laws of electrolysis.

3. Calculate the emf of a cell using Nernst equation (numerical).

4. Describe lead storage battery with reactions during charging and discharging.