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Problem: Hydrazine (N2H4) and dinitrogen tetroxide (N2O4) form a self-igniting mixture that has been used as a rocket propellant. The reaction products are N2 and H2O.What is being oxidized, and what is being reduced? Which substance serves as the reducing agent, and which as the oxidizing agent?

FREE Expert Solution

Loss Electrons Oxidation Reducing Agent

Gain Electrons Reduction Oxidizing Agent


Step 1:


2 N2H4 + N2O4 3 N2 + 4 H2O

Reactant Product


Step 2: Oxidation states


N2H4

H (connected to nonmetal) = +1


2(N) + 4(+1) = 0

2(N) + (+4) = 0

2(N) = - 4

N = - 4/2

N = - 2


N2O4

O (peroxide) = -1


2(N) + 4(-1) = 0

2(N) + (-4) = +4

N = + 4/2

N = + 2


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Problem Details
Hydrazine (N2H4) and dinitrogen tetroxide (N2O4) form a self-igniting mixture that has been used as a rocket propellant. The reaction products are N2 and H2O.


What is being oxidized, and what is being reduced? Which substance serves as the reducing agent, and which as the oxidizing agent?

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Redox Reactions concept. If you need more Redox Reactions practice, you can also practice Redox Reactions practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Bindell's class at UCF.