(7.2b) Complete and balance the followingby ion-electron method. Reactions aretaking place in alkaline solution.b) Cr(OH)a) + CIO (aq) - Cro, (aq)+ ClugAnalysis: Balancing under acidic conditionfirst (adding H30 & H*)Oxidation-Half reation: Balancing atoms &charges:Cr(OH)) *H20- Cro, ug) +Reduction-Half reation: Balancing atomsand charges:eClapH20Balancing electrons lost & galnedMultiply oxidation-half reactionbye'sMultiply reduction-half reactionbye'sFinal balanced equation: Continue nextpage. Fill in the blanks:(7.2b, continued) Complete and balance thefollowing by ion-electron method. Reactionsare taking place in alkaline solution.b) Cr(OH)3(s) + CIO (aq) - Cro4 (aq) +Cl2(g)Analysis: Previous page.Final Balanced equation:Cr(OH)3(s)Cio (aq)CrO4 (aq) *Cl2g)+ОН +H20Important: Check that number of atoms &charges are balanced.

Answered: (7.2b, continued) Complete and balance…

(7.2b, continued) Complete and balance the following by ion-electron method. Reactions are taking place in alkaline solution. b) Cr(OH)3(s) + CIO¯ (aq) - CrO4 2(aq) Cl2(g) Analysis: Previous page.

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

(7.2b) Complete and balance the following
by ion-electron method. Reactions are
taking place in alkaline solution.
b) Cr(OH)a) + CIO (aq) - Cro, (aq)
+ Clug
Analysis: Balancing under acidic condition
first (adding H30 & H*)
Oxidation-Half reation: Balancing atoms &
charges:
Cr(OH)) *
H20
- Cro, ug) +
Reduction-Half reation: Balancing atoms
and charges:
e
Clap
H20
Balancing electrons lost & galned
Multiply oxidation-half reaction
by
e's
Multiply reduction-half reaction
by
e's
Final balanced equation: Continue next
page.

Fill in the blanks:
(7.2b, continued) Complete and balance the
following by ion-electron method. Reactions
are taking place in alkaline solution.
b) Cr(OH)3(s) + CIO (aq) - Cro4 (aq) +
Cl2(g)
Analysis: Previous page.
Final Balanced equation:
Cr(OH)3(s)
Cio (aq)
CrO4 (aq) *
Cl2g)
+
ОН +
H20
Important: Check that number of atoms &
charges are balanced.

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