Question

Match the List I(Indicator) with List II(Types of titration)

Answer 1

A .Phenolphthalein is used to titrate strong acid and strong base like $HCl+NaOH,H_{2}S{O}_4+KOH$

B .Phenol red Phenol red is used to titrate weak acid and weak base like $C{H}_{3}COOH+N{H}_{4}OH$

C .Bruno cresol green is used to titrate strong acid and weak base like $H_{2}S{O}_4+N{H}_{4}OH$

D .Methyl orange is used to titrate strong acid and strong base and also stong acid - weak baselike $HCl+NaOH,H_{2}S{O}_4+KOH,H_{2}S{O}_4+N{H}_{4}OH$