Redox Reactions

Question 1

CN(-) ion shows reducing and complexing properties towards metal species

Answer 1

True

Question 2

Hydrogen peroxide in rxn with HIO4 and NH2OH act as a

Answer 2

Reducing agent and oxidising agent respectively

Question 3

Titration of KMnO4 with oxalic acid in presence of H2SO4 was carried in presence of HCl instead of H2SO4 gave unsatisfactory results because

Answer 3

HCl reduces permanganate to Mn2+
And gets oxidised to Cl2