Redox Reactions And Electrochemistry Question 314

The oxidation number of $ N $ in $ NO_2 $ is [CPMT 1982, 83; EAMCET 1992, 93; RPET 1999]

Options:

  • 7
  • 7
  • 1
  • 1
Show Answer

Answer:

Correct Answer: A

Solution:

$ \overset{*,}{\mathop{KMnO_4}}, $ $ 1+x-2\times 4=0 $ ; $ x=8-1=+7 $ .

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