ધ્યાનમાં લો કે \(d ^{6}\) ધાતુ આયન \(\left( M ^{2+}\right)\) એક્વા લિગાન્ડ્સ સાથેનું એક સંકીર્ણ બનાવે છે, અને સંકીર્ણ નો સ્પિન એકમાત્ર ચુંબકીય ક્ષણ \(4.90\) \(BM.\) છે. સંકીર્ણ ની ભૂમિતિ અને સ્ફટિક ક્ષેત્ર સ્થિરતા ઉર્જા કેટલી છે:

A ચતુષ્ફલકીય અને \(-1.6 \Delta_{ t }+1 P\)
B ચતુષ્ફલકીય અને \(-0.6 \Delta_{ t }\)
C અષ્ટફલકીય અને \(-1.6 \Delta_{0}\)
D અષ્ટફલકીય અને \(-2.4 \Delta_{0}+2 P\)

Verified Solution

Answer & Solution

Correct Answer

(B) ચતુષ્ફલકીય અને \(-0.6 \Delta_{ t }\)

Step-by-step Solution

Detailed explanation

If spin only magnetic moment of the complex is \(4.90 BM ,\) it means number of unpaired electrons should be \(4.\) \((A)\) In octahedral complex: \(\left[ M \left( H _{2} O \right)_{6}\right]^{2+}\) \(C.F.S.E.\)…

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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