Flag Organic Chemistry> Why starch is added near the end point of...
question mark

Why starch is added near the end point of the titration

Soumya Mulagund , 8 Years ago
Grade 12th pass
anser 1 Answers
Ravleen Kaur

Last Activity: 6 Years ago

Thestarchindicator isaddedto the solutionnear the endof thetitration, at thepointwhere dilute iodine imparts a pale yellow color to the solution.
Starchforms a very dark blue-black complex with triiodide which can be made by mixing iodine with iodide (often from potassium iodide). However, the complex is not formed if only iodine or only iodide (I−) is present.
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments