Iodometry, known as iodometric titration, is a method of volumetric chemical analysis, a redox titration where the appearance or disappearance of elementary iodine indicates the end point. Note that iodometry involves indirect titration of iodine liberated by reaction with the analyte, whereas iodimetry involves direct titration using iodine as the titrant. Iodometric titration is used to find cl2 conc. Redox titration using sodium thiosulfate, Na2S2O3 usually as a reducing agent is known as iodometric titration since it is used specifically to titrate iodine. The iodometric titration is a general method to determine the concentration of an oxidising agent in solution.
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Published on Jan 17, SlideShare Explore Search You. Submit Search. Successfully reported this slideshow. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime. Upcoming SlideShare. Like this presentation? Why not share! Embed Size px. Start on. Show related SlideShares at end. WordPress Shortcode. Apusi Chowdhury , Student at Northsouth university Follow. Published in: Education. Full Name Comment goes here.
Are you sure you want to Yes No. Anusha Maru. Show More. No Downloads. Views Total views. Actions Shares. Embeds 0 No embeds. No notes for slide. Prepared by- Apusi chowdhury Roll no. Reference: Chatten, L. Pharmaceutical chemistry. New York: Dekker, pp. The first step is done by the reaction between the oxidizing agents K2Cr2O7 and KI excess Thus the iodine is quickly liberated.
The liberated iodine in first step is titrated with standard solution of sodium thiosulfate. Starch is used as indicator. At the end point, the blue or violet color of starch indicator disappears.
Iodometric titration cannot be performed in strong basic solution or strong acid solution. Navigilo, d. Iodometry and Iodimetry, PP Daniele Naviglio. Analytical Chemistry. Federica e- Learning. You just clipped your first slide! Clipping is a handy way to collect important slides you want to go back to later. Now customize the name of a clipboard to store your clips. Visibility Others can see my Clipboard. Cancel Save.
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Iodometry vs. Iodimetry