1) What is redox reaction? Give examples.
2) Which is oxidising agent in reaction of iodine with thiosulphate ion? Why?
3) What is difference in laboratory iodometry titration and iodimetry titration?
4) What is tincture of iodine? Give application of it.
5) Show calculation for the amount of K2CR2O7 required to prepare 250ml of 0.5 N solution of K2CR2O7.
6) Calculate amount of iodine when the burette reading is 11.2ml of 0.1 N Na2S2O3 solution.
7) What type of titration is the estimation of iodine?
8) Why is the starch added at the end of the reaction of iodometric titration?
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An oxidation-reduction reaction is any chemical reaction in which the oxidation number of a molecule, atom, or ion changes by gaining or losing an electron. The formation of hydrogen fluoride is an example of a redox reaction. We can break the reaction down to analyze the oxidation and reduction of reactants.
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