Coordination Compounds 2 Question 25

####27. The pair having the same magnetic moment is

[at. no. $Cr=24, Mn=25, Fe=26$ and $Co=27$ ]

(a) $\left[Cr\left(H _2 O\right) _6\right]^{2+}$ and $\left[Fe\left(H _2 O\right) _6\right]^{2+}$

(2016 Main)

(b) $\left[Mn\left(H _2 O\right) _6\right]^{2+}$ and $\left[Cr\left(H _2 O\right) _6\right]^{2+}$

(c) $\left[CoCl _4\right]^{2-}$ and $\left[Fe\left(H _2 O\right) _6\right]^{2+}$

(d) $\left[Cr\left(H _2 O\right) _6\right]^{2+}$ and $\left[CoCl _4\right]^{2-}$

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Answer:

Correct Answer: 27. (c)

Solution:



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