a) i) Name the product liberated at anode when dil. `H_(2)SO_(4)` is electrolysed. 

Name the gas liberated when zinc reacts with dil. HNO_(3)

When conc. H_(2)SO_(4) is added to charcoal

Name the gas liberated when zinc reacts with dil HNO_(3) .

What is the volume of O_(2 liberated at anode at STP in the electrolysis of CdSO_(4) solution when a current of 2 A is passed for 8 m i n ?

The metal which cannot displace hydrogen from dil H_(2)SO_(4) is :

Write the name and molecular formula of an organic compound having its name suffixed with 'ol' and having two carbon atoms in its molecule. Write balanced chemical equation to indicate what happens when this compound is heated with excess conc. H_(2)SO_(4) and the name of main product formed. Also state the role of conc. H_(2)SO_(4) in the reaction.

Name the product discharged at the anode during the electrolysis of an aqueous solution of sodium chloride.

When ethanol reacts with ethanoic acid in the presence of conc. H_(2)SO_(4) , a substance with fruity smell is produced. Answer the following: (i) State the class of compounds to which the fruity smelling compounds belong. Write the chemical equation for the reaction and write the chemical name of the product formed. Sate the role of conc. H_(2)SO_(4) .