Chemistry, asked by neelam2002, 2 months ago

why starch is used as external indicator ? explain in detail with chemical reaction.

Answers

Answered by shrey2020

Answer:

Starch is a viable indicator in the titration process because it turns deep dark blue when iodine is present in a solution. When starch is heated in water, decomposition occurs and beta-amylose is produced. Beta-amylose combines with iodine, resulting in a dark blue color change.

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