Redox Reactions And Electrochemistry Ques 384
Question: The oxidation number of $ Mn $ in $ MnO_4^{-1} $ is
Options:
A) + 7
B) - 5
C) + 6
D) + 5
Show Answer
Answer:
Correct Answer: A
Solution:
$ Mn $ shows + 7 oxidation state in $ MnO_4^{-1} $ $ \overset{*,}{\mathop{MnO_4^{-1}}}, $ $ x+(-2\times 4)=-1 $ $ x-8=-1 $ $ x=-1+8=+7 $ .