(a) In an experiment, 25.0 cm\(^{3}\) of H\(_{2}\)SO\(_{4}\) completely neutralized 24.0 cm\(^{3}\) of a 0.1 50 mol dm\(^{-3}\) aqueous KOH using a suitable indicator.

(i) Write a balanced chemical equation for the reaction.

(ii) Calculate the concentration of the acid solution.

(b)i. A burning magnesium ribbon was placed in a gas jar containing Carbon (IV) oxide.
- Write an equation for the reaction.
- Explain briefly why the magnesium ribbon burns in carbon(lV) oxide although the gas does not support combustion.
- Calculate the percentage mass of nitrogen in magnesium trioxonitrate (V). |N = 140. O = 16.0. Mg = 24.01]

(c) Consider the following organic compound: CH\(_{3}\)CH\(_{2}\)CH = CHCOOH.

(i) State two chemical reactions which could he sed te identify the compound.

(ii) What would be observed in each of the reactions stated in c(i)

(d) Describe briefly how soap is manufactured using pellets of sodium hydroxide and vegetable oil

(e) Define the term electronegativity