Answered: In balancing half reactions in acidic…

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

In balancing half reactions in acidic solutions, the addition of the reactant H⁺ is required to balance the product

Group of answer choices

a. H₂O

b. O₂

c. O

d. none of these

e. OH⁻

Expert Solution

Step 1

Half reactions:- It can be either oxidation reaction or reduction reaction.

In these like reactions, change in oxidation state of the reactants in a redox reaction (a reaction in which oxidation and reduction, both occurs) is considered.

Example:

$C r_{2} {O_{7}}^{2 -} (a q) + 14 H^{+} (a q) + 6 e^{-} \to 2 C r^{3 +} (a q) + 7 H_{2} O (l) w h e r e, (a q) m e a n s a q u e o u s s t a t e (l) m e a n s l i q u i d s t a t e$

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