The standard emf for the given cell reaction Zn + Cu2+ → Cu + Zn2+ is 1.10V at 25°C. The emf for the cell reaction when 0.1 M Cu2+ and 0.1 M Zn2+ solutions are used at 25°C is ……….
A. 1.10V
B. 0.110V
C. – 1.10V
D. – 110V
Answer:A
The standard emf for the given cell reaction Zn + Cu2+ → Cu + Zn2+ is 1.10V at 25°C. The emf for the cell reaction when 0.1 M Cu2+ and 0.1 M Zn2+ solutions are used at 25°C is ……….
A. 1.10V B. 0.110V C. – 1.10V D. – 110V