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NEET2004ChemistryCoordination CompoundsActual

Which one of the following forms with an excess of CN ⁻ (cyanide) a complex having coordination number two?

Options

  1. ACu ⁺
  2. BAg ⁺
  3. CNi ²⁺
  4. DFe ²⁺

Correct answer

B. Ag ⁺

Step-by-step solution

Ag ⁺ of AgCN is soluble in excess cyanide ion to form [ Ag ( CN )₂ ]⁻ complex.

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