Question:
The complex [Fe(H\(_2\)O)\(_5\)NO]\(^{2+}\) is formed in the ring test for nitrate ion. This complex is formed by charge transfer in which
The complex [Fe(H\(_2\)O)\(_5\)NO]\(^{2+}\) is formed in the ring test for nitrate ion. This complex is formed by charge transfer in which
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Nitrosyl complexes often involve NO $\leftrightarrow$ NO$^+$ transitions.
Updated On: Apr 23, 2026
- Fe$^{2+}$ changes to Fe$^{3+}$ and NO$^+$ changes to NO
- Fe$^{2+}$ changes to Fe$^{3+}$ and NO changes to NO$^+$
- Fe$^{2+}$ changes to Fe$^+$ and NO changes to NO$^+$
- No charge transfer takes place
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The Correct Option is C
Solution and Explanation
Concept:
Charge transfer in coordination complexes
Step 1: Fe initially in Fe$^{2+}$ state.
Step 2: During complex formation, Fe is reduced to Fe$^+$.
Step 3: NO is oxidized to NO$^+$.
Step 4: Thus involves charge transfer between Fe and NO.
Conclusion:
Correct answer = (C)
Step 1: Fe initially in Fe$^{2+}$ state.
Step 2: During complex formation, Fe is reduced to Fe$^+$.
Step 3: NO is oxidized to NO$^+$.
Step 4: Thus involves charge transfer between Fe and NO.
Conclusion:
Correct answer = (C)
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