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Question
Give the ionisation behaviour of the following salt:
Potassium argentocyanide
Short Answer
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Solution
The formula of potassium argentocyanide is K[Ag(CN)2].
When dissolved in water, it dissociates as:
\[\ce{K[Ag(CN)2] -> K+ + [Ag(CN)2]-}\]
Thus, the [Ag(CN)2]− remains intact as a complex ion and does not dissociate further.
In solution, potassium argentocyanide furnishes is K+ and [Ag(CN)2]−.
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Chapter 9: Coordination Compounds - SHORT ANSWER TYPE QUESTIONS [Page 545]
