Chemistry, asked by narayanigupta8953, 8 days ago

Why potassium permanganate Cannot be used as a primary standard?

Answers

Answered by pandeyanuj9563

Answer:

KMnO4 is not used as primary standard because it is difficult to obtain the pure state of KMnO4 as it is not free from MnO2. Also, the colour is so intense that it acts as its own indicator.

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