Equal volumes of each of two sols of AgI- one obtained by adding AgNO-3 to slight excess of KI and the other obtained by adding KI to slight excess of AgNO-3- are mixed together- Then- nbsp-The two sols will stabilize each otherThe sols will coagulate each other mutuallyThe sol particle will acquire more electric chargeA true solution will be obtained

The correct option is B The sols will coagulate each other mutuallyWhen AgNO_3 is added to nbsp; excess KI then a negative sol is formed due to adsorption of ...

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Byju's Answer

Standard XII

Chemistry

Coagulation

Equal volumes...

Question

Equal volumes of each of two sols of AgI, one obtained by adding $A g N O_{3}$ to slight excess of KI and the other obtained by adding KI to slight excess of $A g N O_{3}$ , are mixed together. Then:

The two sols will stabilize each other

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The sol particle will acquire more electric charge

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The sols will coagulate each other mutually

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A true solution will be obtained

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Solution

The correct option is C The sols will coagulate each other mutually
When $A g N O_{3}$ is added to excess KI then a negative sol is formed due to adsorption of $I^{-}$ ion from KI onto the AgI precipitate. Oppositely a poisitive sol is obtained when KI is added to $A g N O_{3}$ because $A g^{+}$ ions are adsorbed this time.
So the sols will coagulate each other mutually.

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Equal volumes of each of two sols of AgI, one obtained by adding AgNO3 to slight excess of KI and the other obtained by adding KI to slight excess of AgNO3, are mixed together. Then:

Equal volumes of each of two sols of AgI, one obtained by adding $A g N O_{3}$ to slight excess of KI and the other obtained by adding KI to slight excess of $A g N O_{3}$ , are mixed together. Then: