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Which one of the following combines with Fe2+ ion to form a brown complex?
- a)N2O
- b)N2O3
- c)N2O5
- d)NO
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Which one of the following combines with Fe2+ion to form a brown compl...
[Fe(H2O)5NO]2+is brown color complex.
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Which one of the following combines with Fe2+ion to form a brown compl...
Introduction
The question pertains to the interaction between Fe2+ ions and various nitrogen oxides to form complexes. The correct option is NO (Nitric Oxide), which forms a characteristic brown complex with Fe2+ ions.
Fe2+ Ion Characteristics
- Fe2+ (ferrous ion) is a transition metal ion known for its ability to form complexes.
- It has an incomplete d-orbital, allowing it to bind with various ligands.
Role of Nitric Oxide (NO)
- NO is a signaling molecule and can act as a ligand in coordination chemistry.
- It has a unique ability to coordinate with metal ions, particularly transition metals like iron.
Complex Formation
- When NO combines with Fe2+, it forms a complex known as the nitrosyl complex.
- This complex exhibits a distinct brown color, which is a significant characteristic of NO-Fe2+ interactions.
Why Other Options Are Incorrect
- N2O: Does not effectively coordinate with Fe2+ and lacks sufficient donor atoms for complex formation.
- N2O3: Primarily an oxidizing agent and does not form stable complexes with Fe2+.
- N2O5: A stronger oxidizer and also does not interact with Fe2+ to form a colored complex.
Conclusion
The formation of a brown complex with Fe2+ ions is unique to nitric oxide (NO), making it the correct answer to the question. Other nitrogen oxides do not exhibit this behavior due to their chemical properties and coordination abilities.
The question pertains to the interaction between Fe2+ ions and various nitrogen oxides to form complexes. The correct option is NO (Nitric Oxide), which forms a characteristic brown complex with Fe2+ ions.
Fe2+ Ion Characteristics
- Fe2+ (ferrous ion) is a transition metal ion known for its ability to form complexes.
- It has an incomplete d-orbital, allowing it to bind with various ligands.
Role of Nitric Oxide (NO)
- NO is a signaling molecule and can act as a ligand in coordination chemistry.
- It has a unique ability to coordinate with metal ions, particularly transition metals like iron.
Complex Formation
- When NO combines with Fe2+, it forms a complex known as the nitrosyl complex.
- This complex exhibits a distinct brown color, which is a significant characteristic of NO-Fe2+ interactions.
Why Other Options Are Incorrect
- N2O: Does not effectively coordinate with Fe2+ and lacks sufficient donor atoms for complex formation.
- N2O3: Primarily an oxidizing agent and does not form stable complexes with Fe2+.
- N2O5: A stronger oxidizer and also does not interact with Fe2+ to form a colored complex.
Conclusion
The formation of a brown complex with Fe2+ ions is unique to nitric oxide (NO), making it the correct answer to the question. Other nitrogen oxides do not exhibit this behavior due to their chemical properties and coordination abilities.
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Which one of the following combines with Fe2+ion to form a brown complex?a)N2Ob)N2O3c)N2O5d)NOCorrect answer is option 'D'. Can you explain this answer? for Class 12 2025 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Which one of the following combines with Fe2+ion to form a brown complex?a)N2Ob)N2O3c)N2O5d)NOCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 12 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following combines with Fe2+ion to form a brown complex?a)N2Ob)N2O3c)N2O5d)NOCorrect answer is option 'D'. Can you explain this answer?.
Which one of the following combines with Fe2+ion to form a brown complex?a)N2Ob)N2O3c)N2O5d)NOCorrect answer is option 'D'. Can you explain this answer? for Class 12 2025 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Which one of the following combines with Fe2+ion to form a brown complex?a)N2Ob)N2O3c)N2O5d)NOCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 12 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following combines with Fe2+ion to form a brown complex?a)N2Ob)N2O3c)N2O5d)NOCorrect answer is option 'D'. Can you explain this answer?.
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