Q. The water exchange rates for the complex ions follow the order
(A) [V(H2O)6]2+ > [Co(H2O)6]2+ > [Cr(H2O)6]3+
(B) [Cr(H2O)6]3+ > [Co(H2O)6]2+ > [V(H2O)6]2+
(C) [Co(H2O)6]2+ > [Cr(H2O)6]3+ > [V(H2O)6]2+
(D) [Co(H2O)6]2+ > [V(H2O)6]2+ > [Cr(H2O)6]3+
Ans: [Co(H2O)6]2+ > [V(H2O)6]2+ > [Cr(H2O)6]3+
