Redox Reactions And Electrochemistry Ques 678
Question: The number of electrons involved in the reduction of one nitrate ion to hydrazine is
Options:
A) 8
B) 5
C) 3
D) 7
Show Answer
Answer:
Correct Answer: D
Solution:
[d] $ \overset{+5}{\mathop{N}},O_3^{-}\xrightarrow{{}}{{\overset{-2}{\mathop{N}},}_2}H_4 $ So, for reduction of 1 mole of $ NO_3^{-} $ number of electrons required is 7.
