Redox and Equivalent ConceptHard

Question

During the oxidation of arsenite ion AsO33– to arsenate ion AsO43− in alkaline medium, the number of moles of hydroxide ions consumed per mole of arsenite ion is

Options

A.2
B.3
C.2/3
D.3/2

Solution

$AsO_{2}^{3 -} + 2OH^{-} \rightarrow AsO_{4}^{3 -} + H_{2}O + 2e^{-}$

Create a free account to view solution

View Solution Free
Topic: Redox and Equivalent Concept·Practice all Redox and Equivalent Concept questions

More Redox and Equivalent Concept Questions

During the oxidation of Mn2+ to MnO4− by PbO2 in acid medium, the number of moles of acid consumed per mole of Mn2+ ion ...More number of oxidation states are exhibited by the actionoids than by the lanthanoids. The main reason for this is :-...RH2 (ion exchange resin) can replace Ca2+ in hard water as follows. RH2 + Ca2+ → RCa + 2H+.One litre of hard water after...A quantity of 0.5 g of a metal nitrate gave 0.43 g of metal sulphate....A quantity of 1.878 g of a metal bromide when heated in a stream of hydrogen chloride gas is completely converted to the...