Grade 12th pass10 grade science
Why does starch turn blue black with iodine?
Why does starch turn blue black with iodine?
1 Answer
Yash Patari
Dear student
Once amylose is added, it forms another CT complex, Here, the amylose acts as a charge donor and the polyiodide as an acceptor. This complex absorbs light of a different wavelength than polyiodide, and the color turns dark blue.
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