 
       
      
    An alkene(X) is passed into concentrated sulphuric acid then is diluted with water and the product formed is ethanol.What is X?
Propene
Ethene
Butene
But-2-ene
 
                
                  As we have learnt,
Upon hydration of an alkene with , alcohol is produced
Hence, to produce Ethanol, the starting alkene should be ethene

Therefore, option (2) is correct.
Study 40% syllabus and score up to 100% marks in JEE
 
                