Redox Reactions And Electrochemistry Ques 425

Question: Oxidation number of osmium $ (Os) $ in $ OsO_4 $ is [AIIMS 1999]

Options:

A) + 4

B) + 6

C) + 7

D) + 8

Show Answer

Answer:

Correct Answer: D

Solution:

$ \overset{*}{\mathop{Os,O_4}}, $ $ x+4(-2)=0 $ $ x-8=0 $ $ x=+8 $ .



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