how does h2so4 prevent oxidation of mohr salt before it is titrated?
Answer / manoj reddy
To prevent the oxidation of Fe2+ ions of Mohr's salt to Fe3+ ions.Ferrous ions of Mohr’s salt undergo hydrolysis in aqueous solution. To prevent the hydrolysis, Conc. H2SO4 needs to be added to the Mohr’s salt crystals during the preparation of its standard solution.
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