The following reaction scheme involves an organic compound A (molecular formula C2H5OH): A + [O] → B + H2O B + [O] → C A + C → D + H2O (in the presence of concentrated H2SO4) A + Na → E + F (gas) (a) Identify compounds A, B, C, D, E, and F, giving the name and molecular formula of each. [6 marks] (b) (i) Name the type of reaction that converts A to B, and state the reagent and condition required. [3 marks] (ii) Name the type of reaction that produces compound D, and state the role of concentrated H2SO4 in this reaction. [2 marks] (c) (i) Compound C reacts with Na2CO3 solution. Write a balanced chemical equation for this reaction and state ONE observation. [3 marks] (ii) Describe a simple chemical test to distinguish between compound B (ethanal) and compound C (ethanoic acid), giving the expected observation in each case. [3 marks] (d) State ONE large-scale industrial use of compound D (ethyl ethanoate). [1 mark]