Which of the following is true in the case of Zn-Cu cell ?

Related Mcqs:

1. Which is true about Zn-Cu galvanic cell ?

   A. Reduction occurs at anode
   B. K+ ion transfer from salt bridge to left beaker of ZnSO4
   C. Oxidation occurs at cathode
   D. Anode is negatively charged

2. Which of the following cell is not rechargeable ?

   A. Lead storage battery
   B. Silver oxide cell
   C. Fuel cell
   D. Ni-Cd cell

3. Which one of the following serve as aquatic solar fuel cell:

   A. Bacteria
   B. Virus
   C. Fungi
   D. Algae

   Submitted by: Said wali shah

4. Which of the following is non spontaneous cell?

   A. Electrolytic cell
   B. Galvanic cell
   C. Daniel cell
   D. Not

   Submitted by: Aamir khan Hullio

5. In an electrolytic cell current flows ?

   A. From cathode to anode in outer circuit
   B. From anode to cathode outside the cell
   C. From cathode to anode inside the cell
   D. both B & C

6. In electrolytic cell electricity carries________________?

   A. spontaneous reaction
   B. non-wpontaneous reaction
   C. neutralization
   D. all of above

7. In Galvanic cell electrons flow from anode to cathode through__________________?

   A. external electric circuit
   B. salt bridge
   C. movement of ions
   D. all of the above

8. In galvanic cell Zn acts as an anode so its value of standard reduction potential in comparison to coupled electrode would be________________?

   A. greater
   B. lesser
   C. sum of reduction and oxidation potentials
   D. none

9. Right half cell contains _____________ electrode?

   A. A1
   B. Zn
   C. Cu
   D. Fe

10. The element that act as anode always have ______________ position in electrochemical cell?

    A. higher
    B. lower
    C. in middle
    D. no effect of position