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26-04-2024
Chemistry

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20 ml of KMnO₄ solution completely reacts with 10 ml solution of 1M FeS₂ and 2M CuS to produce Cu₂, Fe₃, SO₂. Calculate the normality of KMnO₄ solution?
a) 2 N
b) 3 N
c) 4 N
d) 5 N

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