Balance the following redox reaction if it occurs in acidic solution. What are the coefficients in front of Ni and Ag in the balanced reaction? Ni(s) + 2Ag⁺ → Ag(s) + Ni²+.
a) Ni: 1, Ag: 2
b) Ni: 1, Ag: 1
c) Ni: 2, Ag: 1
d) Ni: 2, Ag: 2