How much electricity is required in coulomb for the oxidation of :-1mol of FeO to `Fe_2O_3` ?

How may coulombs of electricity are required for the oxidation of one mol of water to dioxygen ?

How much charge is required for the reduction of 1 mole of Cu^(2+) ions to Cu ?

How much water is required for photosynthesis?

How many moles of electrons are required for the reduction of (i) 3 moles of Zn^(2+) to Zn (ii) 1 mole of Cr^(3+) to Cr? How many Faradays of electricity will be required in each case?

Calculate the oxidation number of : Cr in Cr_2 O_3 .

How much energy is required to ionise a H atom if the electron occupied n = 5 orbit? Compare your answer with the ionization enthalpy of H atom (energy required to remove the electron from n = 1 orbit)

The oxidation number of oxygen in H_(2)O_(2) is

How much electricity in terms of Faraday is required to produce? (a) 20 g of Ca from molten CaCl_2 (b) 40 g of Al from molten Al_2O_3 Given: Molar mass of Ca = 40 g mol^(-1) Molar mass of Al-27 g mol^(-1)

How much quantity of each vitamin is required every day ?

Oxidation state of Fe in Fe_3O_4 is _______