Redox Titration

A type of titration in which KI solution is used as a reagent to react with an oxidising agent in suitable medium and Iiberated iodine is titrated with standard solution of sodium thiosulphate is called as ------------.

• Iodimetry

• Iodate

• Iodometry

• Direct iodine titration

Which of the following exhibits different colour in oxidized and reduced forms?

• Phenolphthalein

• Murexoid

• Starch

• Ferroin

Ammonium ceric sulphate serves as a powerful __________ in acidic medium

• Complexing agent

• Neutralising agent

• oxidising agent

• reducing agent

Starch forms _____ colour complex with__________

• colorless,iodine

• Blue,iodine

• blue, potassium permanganate

• Blue, Sodium thiosulphate

The indicator and preferred medium used in cerimetry is ______________.

• starch, acidic medium

• crystal violet, alkaline medium

• ferroin, acidic medium

• ferroin, neutral medium

The normality of 0.5 M sodium thiosulphate is equal to

• 1 N

• 0.25 N

• 2 N

• 0.5 N

Name the acid used in permanganometric titration.

• dil sulphuric acid

• dil hydrochloric acid

• dil. nitric acid

Which of the following is not an oxidising agent?

• potassium permanganate

• Oxalic acid

• potassium dichromate

• potassium iodate

Select the external indicator used in dichrometry.

• N-phenyl anthranilic acid

• Sodium diphenylamine sulphonate

• Potassium ferrocyanide

• Potassium ferricyanide

Primary standard for sodium thiosulphate

• oxalic acid

• Sodium oxalate

• Potassium bromate

• Iodine