When the following equation is balanced properly under basic conditions, what are the coefficients of the species shown?NH3 +HPBO,-Pb +N2H4Water appears in the balanced equation as a|(reactant, product, neither) with a coefficient of(Enter 0 for neither.)Which element is oxidized?

The reaction given is, => NH3 + HPbO2- ----------> Pb + N2H4 In the above reaction, N in NH3…

Answered: When the following equation is balanced…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

When the following equation is balanced properly under basic conditions, what are the coefficients of the species shown?
NH3 +
HPBO,-
Pb +
N2H4
Water appears in the balanced equation as a
|(reactant, product, neither) with a coefficient of
(Enter 0 for neither.)
Which element is oxidized?

Expert Solution

Step 1

The reaction given is,

=> NH₃ + HPbO₂^- ----------> Pb + N₂H₄

In the above reaction, N in NH₃ is in 3- oxidation state initially (because each H is in 1+ oxidation state) and finally in N₂H₄ its in 2- oxidation state (because each H is in 1+ oxidation state).

And Pb in HPbO₂^- is in 2+ oxidation state initially (because O is in 2- oxidation state and H in 1+ and there is 1- in the ion) and finally in 0 oxidation state as Pb.

Since the oxidation state of Pb is decreasing. Hence the Pb is reduced in the reaction.

And since the oxidation state of N is increasing. Hence N is being oxidised in the reaction.

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