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`K[Cr(H_(2)O)_(2)(C_(2)O_(4))_(2)]cdot3H_(2)O` संकुल यौगिक के IUPAC नाम लिखिए तथा इसकी ऑक्सीकरण अवस्था, इलेक्ट्रॉनिक विन्यास तथा उपसहसंयोजन संख्या ज्ञात कीजिए | संकुल का त्रिविम रसायन तथा चुम्बकीय आघूर्ण भी बताइए |

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पौटेशियम डाइएक्वाआक्सलेटोक्रोमेट (III) ट्राइहाइड्रेट |
उपसहसंयोजन संख्या =6,
आकृति= अष्टफलकीय (ऑक्टाहेड्रल)
Cr की ऑक्सीकरण अवस्था `:x+0+2(-2)+1=0, x=+3`
`Cr^(3+)" का इलेक्ट्रॉनिक विन्यास "=3d^(3)=t_(2g)^(3)e_(g)^(0)`,
अयुग्मित इलेक्ट्रॉन (n) =3
चुम्बकीय आघूर्ण `(mu)=sqrt(n(n+2))`
`=sqrt(3xx5)=sqrt(15) BM`
`=3.87 BM`

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