Ferrous sulphate is assayed by
titration (1 marks)
Ans.
lodimetry
Ceriometry
Mercurometry
Bromatometry
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Explanation:
ceriometry
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Answer:
Ferrous sulphate is assayed by Ceriometry
Cerimetry or cerimetric titration, also known as cerate oximetry, is a method of volumetric chemical analysis developed by Ion Atanasiu. It is a redox titration in which an iron(II)–1,10-phenanthroline complex (ferroin) color change indicates the end point.
It is bright yellow in colour both in solid and in the solution state. In the titration ferrous sulphate reacts with ceric ammonium sulphate and the corresponding ferrous salt formed is colorless and acts as a self indicator oxidizes ferrous sulphate to ferric sulphate
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