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Indicators

The indicator...

Question

The indicator used in iodometric titrations is

A

Phenolphthalein

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B

Litmus

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C

Potassium iodide

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D

Starch

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Solution

The correct option is D Starch

The indicator that is usually chosen for titrations involving iodine (triiodide) is starch. Starch forms a dark blue complex with iodine. The end point in iodimetry corresponds to a sudden color change to blue.
Hence option D is correct.

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Similar questions

Q. Which indicator we prefer to use in iodometric titration?

Q. Starch is used as a best indicator in iodometric titration because :

Q. Assertion :Starch is used as absorption indicator in iodometric and iodimetric titrations. Reason: Starch forms iodostarch complex with iodine, which is blue coloured.

Q. Selection the correct statements.
1. The reaction belongs to iodometric titration.
2. The reaction belongs to iodimetric titration.
3.

C u_{2} I_{2}

formed during the reaction is white.
4. Startch is used as an indicator in this titration.

Q. Which titrant is used in the Iodometric titration which involves

I_{2}

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