Question:

The standard electrode potential for Ni²⁺/Ni couple is -0.25 V and for Ag⁺/Ag couple is 0.80 V. These two couples are connected to make an electrochemical cell. The redox reaction is spontaneous. The cell potential will be:

Show Hint

Remember: E°cell = E°cathode - E°anode

  • + 1.05 V

  • -1.05 V

  • + 0.55 V

  • -0.55 V

Hide Solution
collegedunia
Verified By Collegedunia

The Correct Option is A

Solution and Explanation

E°cell = E°cathode - E°anode = 0.80 V - (-0.25 V) = 1.05 V. Positive means spontaneous.

Was this answer helpful?
0
0

Questions Asked in CBSE Compartment XII exam

View More Questions