QuestionAnalytical chemistry / primary standards
Which one of the following statements regarding Ammonium Ferrous Sulphate is not correct ?
- (a) It’s composition is constant.
- (b) It’s aqueous solutions tend to undergo hydrolysis.
- (c) It contains considerable amount of Fe³⁺ owing to aerial oxidation.
- (d) It’s standard solution can be prepared by direct weighing.
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