A first-year chemistry student places one Canadian nickel (actually made of metallic nickel!) in each of the following aqueous solutions: (i) 1 M CuSO4 (ii) 1 M ZnSO4 (iii) 0.5 M H2SO4 In which of the three solutions will part of the nickel enter solution as nickel ion, i.e. "dissolve"?
A. (iii) only
B. (i) only
C. (ii) only
D. (ii) & (iii) only
E. (i) & (iii) only

Answer rating: 100% (QA)

Ni will soluble in copper sulphat... View the full answer