When silver nitrate solution

Question:

When silver nitrate solution is added to potassium iodide solution then the sol produced is :

  1. $\mathrm{AgI} / \mathrm{I}$

  2. $\mathrm{AgI} / \mathrm{Ag}^{+}$

  3. $\mathrm{KI} / \mathrm{NO}_{3}^{-}$

  4. $\mathrm{AgNO}_{3} / \mathrm{NO}_{3}^{-}$


Correct Option: 1

Solution:

$\underset{\text { (drop by drop) }}{\mathrm{Ag} \mathrm{NO}_{3} \text { (aq.) }}+\underset{\text { excess }}{\mathrm{KI} \text { (aq.) }} \longrightarrow \underset{\text { Sol }}{\mathrm{AgI} / \mathrm{I}^{-}}$

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