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BITSAT2015ChemistryPractical ChemistryActual

K ₄ [ Fe ( CN )₆ ] is used in detecting.

Options

  1. AFe ³⁺ ion
  2. BCu ⁺ ion
  3. CCu ³⁺ ion
  4. DFe ²⁺ ion

Correct answer

A. Fe ³⁺ ion

Step-by-step solution

Fe ³⁺ ion can be detected by K ₄ [ Fe ( CN )₆ ] aligned 4 Fe ³⁺+3 ~K ₄ [ Fe ( CN )₆ ] & Fe ₄ [ Fe ( CN )₆ ]₃+12 ~K ⁺ aligned

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