Question
When an excess of a very dilute aqueous solution of KI is added to a very dilute aqueous solution of silver nitrate, the colloidal particles of silver iodide are associated with which of the following Helmholtz double layer?
Answer: Option D
:
D
As excess of KI has been added, I−ions are adsorbed on AgI forming a layer ( and giving it a negative charge). It then attracts the counter ion K+from the medium forming the second layer (diffused layer).
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:
D
As excess of KI has been added, I−ions are adsorbed on AgI forming a layer ( and giving it a negative charge). It then attracts the counter ion K+from the medium forming the second layer (diffused layer).
Was this answer helpful ?
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