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JEE Mains · Chemistry · STD 12 - 5. Co-ordination chemistry

\(\left[ Fe \left( H _{2} O \right)_{6}\right]_{2}\) तथा \(\left[ Fe ( CN )_{6}\right]\) के ॠणायनिक तथा धनायनिक स्पीशीज के परिकलित प्रचक्रण - मात्र चुम्बकीय आघूर्ण (\(B.M.\) में) क्रमशः हैं

  1. A \(0\) तथा \(5.92\)
  2. B \(2.84\) तथा \(5.92\)
  3. C \(4.9\) तथा \(0\)
  4. D \(0\) तथा \(4.9\)
Verified Solution

Answer & Solution

Correct Answer

(C) \(4.9\) तथा \(0\)

Step-by-step Solution

Detailed explanation

\({[Fe{(CN)_6}]^{4 - }}\) \({[Fe{({H_2}O)_6}]^{2 + }}\) \(F{e^{2 + }}\, \to \,3{d^6}\) \(F{e^{2 + }}\, \to \,3{d^6}\) \(t_{2g}^6\,e{g^0}\) \(t_{2g}^4\,e{g^2}\) \(\mu \, = \,\sqrt {n(n + 2)} \) \(\mu \, = \,\sqrt {n(n + 2)} \,=\,\sqrt {24}\) \(\mu \, =0\) \(\mu \, = \,4.9\,BM\)
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