Question

Why do we use excess of ki in iodometric titration?

Answer 1

In an iodometric titration, a starch solution is used as an indicator since itcan absorb the I2 that is released. This absorption will cause the solution to change its colour from light yellow to a dark blue colour when titrated with standardised thiosulfate solution. This indicates the end point of the titration.


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Answer 2

Swãdesh friend.....❣

❣❣Here is ur answer= In a Isometric titration a starch solution is used as an indicator since it can absorb the 12 that is released the absorption will cause the solution to change it's colour from light yellow to a dark blue colour when titrated with standardised thisoulfate solution this indicates that he end point titration.....❣

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