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One gram of a mixture of KMnO(4) and K(2...

One gram of a mixture of `KMnO_(4)` and `K_(2)Cr_(2)O_(7)` was treated with excess Kl in acid solution. The liberated iodine requred 200mL of 0.15N hypo for titration. Calculate the pracentage weight of potassium permanganate in the mixture.

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0.854
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A mixture containing 0.05 mol of K_(2)Cr_(2)O_(7) and 0.02 mol of KMnO_(4) was treated with excess of KI in acidic medium.The liberated iodine required 2.0 L of Na_(2)SO_(3) solution of titration. Concentration of Na_(2)S_(2)O_(3) solution was

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Iodine titration can be iodemotric or iodimetric depending on using iodine directly or indirectly is an oxidising agent in the redox titration. a. Iodimetric titration in which a standard iodine solution is used as an oxidant and iodine is directly or indirectly titrated against a reducing agent. For example. 2CuSO_(4)+4KJtoCu_(2)I_(2)+2K_(2)SO_(4)+I_(2) b. Iodimetric procedures are used for the datermination of strength of reducing agent such as thiosulphates, sulphites, arsenties adn stanous chloride etc. by titrating them against standard solution of iodine in a burette. 2Na_(2)SO_(3)to2 NaI +Na_(2)S_(4)O_(6) Starch is used as indicator near the end point whilch form blue colour complex with I_(3)^(-) . The blue colour disappeams when there is not more of free I_(2) . When 319.0 gm of CuSO_(4) in a solution is related with excess of 0.5 M KI solution, then librated iodine required 200 ml of 1.0M Na_(2)S_(2)O_(3) for complete relation. The percentage purity of CuSO_(4) in the sample is

25 ml of H_(2)O_(2) solution was added to excess of acidified Kl solution. The iodine so liberated required 20 ml. of 1 N sodium thiosulphate solution. What is volume strength of H_(2)O_(2)

xg of tartaric acid is dissolved in 30mL of 0.2M potash solution. The resultant mixture requires 20ml of 0.1M HCl for titration. Report the numerical value of x.

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