Redox Reactions And Electrochemistry Ques 411

Question: If $ HNO_3 $ changes into $ N_2O $ , the oxidation number is changed by [BHU 1997; AFMC 2001]

Options:

A) + 2

B) - 1

C) 0

D) + 1

Show Answer

Answer:

Correct Answer: D

Solution:

$ HNO_3 $ - $ \overset{*}{\mathop{N_2O}}, $ $ 1+x-6=0 $ $ 2x-2=0 $ $ x=+5 $ $ 2x=2 $ $ x=\frac{2}{2}=+1 $ .



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