1.

Assertion : When KI solution is added to AgNO_(3) solution, negatively charged sol results . Reason : Negative charge of sol is due to preferential adsorption of iodide ions from the dispersion medium.

Answer»

If both assertion and reason are true and REASONIS the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion
If assertion is true but reason is false
if both assertion and reason are false

SOLUTION :When KI solution is added to `AgNO_(3)` solution, positively CHARGED sol results DUE ot adsorption of `Ag^(+)` ions from dispersion MEDIUM.
`underset("Positively charged")underset(AgI//Ag^(+))`


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