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AIIMS 2013
Exam
AIIMS
Year
2013
Subject
Chemistry
Chapter
d and f Block Elements

AIIMS 2013 · Chemistry · d and f Block Elements

Which of the following metal ion forms unstable complex with CN^ - ?

Which of the following metal ion forms unstable complex with CN−\mathrm{CN}^{-}?

Options

  1. AAg⁡(\operatorname{Ag}(\mathrm{I}))
  2. BZn(\mathrm{Zn}(\mathrm{II}))
  3. CCu(\mathrm{Cu}(\mathrm{II}))
  4. DCr⁡(\operatorname{Cr}(\mathrm{II}))

Correct answer

A. Ag⁡(\operatorname{Ag}(\mathrm{I}))

Step-by-step solution

Except Ag(I), all ions form stable complexes with CN−\mathrm{CN}^{-}.
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