Question

carbon compound P on heating with excess conc H2SO4 forms another carbon compound Q which on addition of hydrogen in the presence of Nickel Catalyst from the saturated carbon compounds R . one molecule R on combustion forms into molecules of CO2 and three molecules of H2O identify P Q and R and write chemical equations for the reactions involved

Answer 1

P --- C2H5OH(ethanol)
C2H5OH ----H2so4---->C2H4 + H2O

Q--- C2H4(ethene)
C2H4+ H2 ----Ni/Pt----> C2H6

R---- C2H6(ethane)
C2H6 + O2 -----------> 2CO2 + 3H2O