A Galvanic Cell Consists of a Ni²⁺/Ni Half-Cell and a Standard

Multiple Choice

A galvanic cell consists of a Ni²⁺/Ni half-cell and a standard hydrogen electrode.If the Ni²⁺/Ni half-cell standard cell functions as the anode,and the standard cell potential is 0.26 V,what is the standard reduction potential for the Ni²⁺/Ni half-cell?

A) -0.26 V
B) -0.13 V
C) +0.13 V
D) +0.26 V