Choose the correct statement(s):

Options

A. 1 mole of `MnO_(4)^(-)` ion can oxidise 5 moless of `Fe^(2+)`ion in acidic medium
B. 1 mole of `Cr_(2)O_(7)^(2-)` ion can oxidise 6 moles of `Fe^(2+)` ion in acidic medium
C. 1 mole of `Cu_(2)S` can be oxidised by 1.6 moles of `MnO_(4)^(-)` ion in acidic medium
D. 1 mole of `Cu_(2)S` can be oxidised by 1.33 moles of `Cr_(2)O_(7)^(2-)` ion in acidic medium

Answer

a,b,c,d