Can other halogens besides iodine interact with starch to produce a color change?

Apr 3, 2025 ... In aqueous solution even minute amounts of iodine in the presence of starch produce a blue-black color. There are two ways of identifying the presence of Starch: the first is that it doesn't easily dissolve in water and the second is that it turns the colour of I₂ ... Spread the leaf in a petridish and put 5 - 8 drops of iodine solution on it. Presence of starch will be indicated by a blue-black colour. A part of the leaf ... Feb 20, 2025 ... When iodine solution is added to a food sample, a color change to blue-black indicates the presence of starch. Banana: The color stays brown, ... Nov 20, 2013 ... A qualitative test for the presence of iodide ion in table salt, using materials found in almost any grocery store. Iodine solution · Tweezers. Test for starch in plants: 1. Place one of the ... Iodine is an indicator that turns blue-black in the presence of starch. The ... To this add a few drops of aqueous iodine solution. The appearance of blue colour indicates the presence of starch. B. Test for Oils and Fats. Theory. These ... Apr 4, 2023 ... ... color in the presence of starch. Negative result: No color change occurs, and the iodine solution remains yellow-brown. *Conclusion:* Based ... Starches and starch fractions. Part III. The intensity of the colour of starch‐iodine‐iodide solutions as an index of the amylose‐amylo‐pectin ratio. Iodine solution can be used to test plant leaf tissue for the presence of starch. A scientific prediction is a testable statement about a possible outcome, ...