Redox Reactions And Electrochemistry Ques 400

Question: The oxidation number of Fe and S in iron pyrites are [RPMT 1997]

Options:

A) 4, - 2

B) 2, - 1

C) 3, - 1.5

D) 3, - 1

Show Answer

Answer:

Correct Answer: A

Solution:

Fe,S2

FeS2, x4=0 4+2x=0 x=+4 2x=4 x=42=2 .



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