Among the following pairs of ions the lower oxidation state in aqueous solution is more stable than the other.
A. Tl+, Tl3+
B. Cu+, Cu2+
C. Cr2+, Cr3+
D. V2+, VO2+.
Answer:A
Among the following pairs of ions the lower oxidation state in aqueous solution is more stable than the other.
A. Tl+, Tl3+ B. Cu+, Cu2+ C. Cr2+, Cr3+ D. V2+, VO2+.