IIT-JEE Exam

Among the following, identify the correct statement.
(A) Chloride ion is oxidized by O2 (B) Fe2+ is oxidized by iodine
(C) Iodide ion is oxidized by chlorine (D) Mn2+ is oxidized by chlorine

Read Solution (Total 0)

IIT-JEE Other Question

While Fe3+ is stable, Mn3+ is not stable in acid solution because
(A) O2 oxidises Mn2+ to Mn3+ (B) O2 oxidises both Mn2+ and Fe2+ to Fe3+
(C) Fe3+ oxidizes H2O to O2 (D) Mn3+ oxidises H2O to O2
Sodium fusion extract, obtained from aniline, on treatment with iron (II) sulphate and H2SO4 in presence of air gives a
Prussian blue precipitate. The blue colour is due to the formation of
(A) Fe4[Fe(CN)6]3 (B) Fe3[Fe(CN)6]2
(C) Fe4[Fe(CN)6]2 (D) Fe3[Fe(CN)6]3