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What is the formula for the complex formed when iron(III) ions react with thiocy

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Question: What is the formula for the complex formed when iron(III) ions react with thiocyanate ions?

Options:

  1. [Fe(SCN)3]
  2. [Fe(SCN)2]
  3. [Fe(SCN)6]3+
  4. [Fe(SCN)4]2+

Correct Answer: [Fe(SCN)3]

Solution:

The complex formed is [Fe(SCN)3], where iron(III) ions coordinate with thiocyanate ions.

What is the formula for the complex formed when iron(III) ions react with thiocy

Practice Questions

Q1
What is the formula for the complex formed when iron(III) ions react with thiocyanate ions?
  1. [Fe(SCN)3]
  2. [Fe(SCN)2]
  3. [Fe(SCN)6]3+
  4. [Fe(SCN)4]2+

Questions & Step-by-Step Solutions

What is the formula for the complex formed when iron(III) ions react with thiocyanate ions?
  • Step 1: Identify the ions involved in the reaction. We have iron(III) ions (Fe^3+) and thiocyanate ions (SCN^-).
  • Step 2: Determine how many thiocyanate ions can bond with one iron(III) ion. Iron(III) can bond with three thiocyanate ions.
  • Step 3: Write the formula for the complex. Since one iron(III) ion bonds with three thiocyanate ions, the formula is [Fe(SCN)3].
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