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  • Coordination Complexes
  • K4[Fe(CN)6] is used in the identification of A. Fe+2 B. C...
Multiple choice

K4[Fe(CN)6] is used in the identification of A. Fe+2 B. Cu+2 C. Cd+2

  1. Only (A)

  2. Only (B)

  3. Only (C)

  4. (A) and (B)

  5. All of these

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This option is correct because K4[Fe(CN)6] gives blue color with Fe+2 ion, due to Fe2[Fe(CN)6] and also gives chocolate precipitation with Cu+2 due to the formation copper ferrocyanide.

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