Name the hydrocarbon formed when ethanol is heated with cone. H₂S0₄ at 170 �C? What is this reaction known as?

2 Which of the following will give brisk effervescence with sodium hydrogen carbonate and why?

CH₃COOH, CH₃CH₂OH

3 Name the functional group present in an organic compound which gives brisk effervescence with NaHCO₃• 5 Why does ethyne (acetylene) burn with a sooty flame? 6 Name the product formed when hydrogen is added to ethene.