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When SCN- is added to an aqueous solution of Fe(NO3)3, the complex ion produced is
  • a)
    [Fe(OH2)2(SCN)]2+
  • b)
    [Fe(OH2)5(SCN)]2+
  • c)
    [Fe(OH2)8(SCN)]2+
  • d)
    [Fe(OH2)2(SCN)]6+
Correct answer is option 'B'. Can you explain this answer?
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When SCN- is added to an aqueous solution of Fe(NO3)3, the complex ion...



Formation of Complex Ion in Fe(SCN)3 Solution

When SCN- is added to an aqueous solution of Fe(NO3)3, a complex ion is formed due to the reaction between Fe3+ and SCN- ions.

Complex Ion Produced

The complex ion produced is [Fe(OH2)5(SCN)]2+.

Explanation

- The Fe3+ ion can undergo coordination with water molecules and SCN- ions to form a complex ion.
- In this case, Fe3+ will form a complex with 5 water molecules (OH2) and one SCN- ion to give the complex ion [Fe(OH2)5(SCN)]2+.
- The coordination number of Fe3+ in this complex ion is 6, as it is surrounded by 5 water molecules and 1 SCN- ion.
- The complex ion is positively charged because Fe3+ is a cation and the total charge of the complex must be balanced.

Conclusion

Therefore, when SCN- is added to an aqueous solution of Fe(NO3)3, the complex ion produced is [Fe(OH2)5(SCN)]2+.
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Community Answer
When SCN- is added to an aqueous solution of Fe(NO3)3, the complex ion...
Correct answer is option.b
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When SCN- is added to an aqueous solution of Fe(NO3)3, the complex ion produced isa)[Fe(OH2)2(SCN)]2+b)[Fe(OH2)5(SCN)]2+c)[Fe(OH2)8(SCN)]2+d)[Fe(OH2)2(SCN)]6+Correct answer is option 'B'. Can you explain this answer?
Question Description
When SCN- is added to an aqueous solution of Fe(NO3)3, the complex ion produced isa)[Fe(OH2)2(SCN)]2+b)[Fe(OH2)5(SCN)]2+c)[Fe(OH2)8(SCN)]2+d)[Fe(OH2)2(SCN)]6+Correct answer is option 'B'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about When SCN- is added to an aqueous solution of Fe(NO3)3, the complex ion produced isa)[Fe(OH2)2(SCN)]2+b)[Fe(OH2)5(SCN)]2+c)[Fe(OH2)8(SCN)]2+d)[Fe(OH2)2(SCN)]6+Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for When SCN- is added to an aqueous solution of Fe(NO3)3, the complex ion produced isa)[Fe(OH2)2(SCN)]2+b)[Fe(OH2)5(SCN)]2+c)[Fe(OH2)8(SCN)]2+d)[Fe(OH2)2(SCN)]6+Correct answer is option 'B'. Can you explain this answer?.
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