Question

Which three chemical substances are obtained when electricity is passed through an aqueous solution of brine? Write one industrial application of each.

Answer 1

2nacl +h20 gives na(oh)2+h20 +cl2

we get sodium hydroxide

this is also called chlor alkali process

Answer 2

NaCl(aq.)----electrolysis---> NaOH +Cl2 + H2
NaOH--->in saponification
Cl2--->disinfecting water
H2--->in coverting vegetable oil to vegetable ghee