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JEE Advanced Model Paper 15 with solutions for online practice

Passage-1

The graph shows change in the electrode potential measured during addition of AgNO3 solution to a solution containing KI and KCl of unknown equal concentration using a suitable electrode.

Question : 29 of 60

Marks: +1, -0

In the experiment, what is true regarding the quantities of iodide and chloride ions in solution at point A?

I− is in large excess and Cl− is unchanged from the start of the reaction
Cl− is in large excess and is unchanged from the start of the reaction
is in small and is unchanged from the start of the reaction
is in small and is unchanged from the start of the reaction

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