An organic compound A of molecular formula C2H6O on heating with excess of conc. H2SO4 gives compound B of molecular formula C2H4. Compound B on reduction gives compound C of molecular formula C2H6.
(a) Name A, B and C.
(b) Write the chemical equation for the conversion of A to B.
(c) What is the role of conc. H2SO4 in the above equation?