Cr3 To what oxidation state was the selenium converted by

Last updated: 7/4/2023

Cr3 To what oxidation state was the selenium converted by the reaction A 0 276g impure sample of copper ore is dissolved and Cu2 is titrated with KI solution 1 liberated required 40 mL of 0 1 M Na S O3 solution for titration What is the of impurities in the ore A sample of 28 mL of H O aq solution required 10 mL of 0 1M KMnO4 aq solution for complete reaction in acidic medium What is the volume strength of H O For the redox reaction given below what is the value of Z XNO y As S3 2H O AsO NO SO2 H On heating 0220 g of a metallic oxide in presence of hydrogen 0 045 g of water is formed If