Inorganic Chemistry Answers

What are the significances of the percentage composition of essential oils?

1.                                             Fe³⁺ + e^- → Fe²⁺   E^o = +0.77 V

        Fe²⁺ + 2e^- → Fe    E^o = -0.44 V

•  Using the redox reactions of iron represented above, draw a potential diagram that summarizes the redox chemistry of iron in an aqueous solution
• Calculate the value of E for the reduction of Fe³⁺(aq) to iron metal

Describe selection rule and intensities

Given that E^o for the reaction below is +1.51 V,

(a)       calculate the reduction potential, E, in a solution of pH 2.5 and in which the ratio [Mn₂⁺]:[MnO₄^-] = 1: 100.

(b)       Show that E = +1:25 V when pH ¼ 3.0 and the ratio [Mn₂⁺]:[MnO₄^-] =1:100.

(c)       For a ratio [Mn₂⁺]:[MnO₄^-]=1000 : 1, what must the pH of the solution be to give a value of E = +1.45 V?

(d)       For a ratio [[Mn₂⁺]: [MnO₄^-]=1 : 100, determine E in a solution of pH 1.8.

In an aqueous solution of copper (ll) sulphate, the copper (ll) ions are part of a complex ion. Name the ligand that is present in this complex.

Why NH4Cl is not suitable for paddy rice?

Can chemical composition and functional group influence chelating activity of essential oils?