Coordination Compounds 2 Question 45
####47. Among the following ions, which one has the highest paramagnetism?
(a) $\left[Cr\left(H _2 O\right) _6\right]^{3+}$
(b) $\left[Fe\left(H _2 O\right) _6\right]^{2+}$
(c) $\left[Cu\left(H _2 O\right) _6\right]^{2+}$
(d) $\left[Zn\left(H _2 O\right) _6\right]^{2+}$
(1993, 1M)
Show Answer
Solution:
- $Fe$ in $\left[Fe\left(H _2 O\right) _6\right]^{2+}$ has maximum (four) unpaired electrons, has highest paramagnetism.
