Redox Reactions And Electrochemistry Ques 88

Question: The number of electrons to balance the following equation NO3+4H++e,,2H2O+NO is [IIT Screening 1991]

Options:

A) 5

B) 4

C) 3

D) 2

Show Answer

Answer:

Correct Answer: C

Solution:

NO3+4H++4e2H2O+NO. In this equation all the atoms are balanced. For balancing added 3e to L.H.S. we have, NO3+4H++3e2H2O+NO .



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