Activity 2. Balancing Redox Reactions Learning Objectives: 1. Balance redox equations using change in oxidation number method. 2. Write the oxidation and reduction half reactions for a given redox reaction. 3. Balance a redox reaction using the half-reaction method. What you need: pen and paper Part B. Balance the following redox equations using the half-reaction method: 1. Cr20,2- (ag) + HNO2(aq) → Cr* (ac) + NO3 (ag) (acidic) Cro2- 2. Cr(OH)3 (s) + ClO3" (aq) - + Cl (aq) (basic) (aq)

Activity 2. Balancing Redox Reactions Learning Objectives: 1. Balance redox equations using change in oxidation number method. 2. Write the oxidation and reduction half reactions for a given redox reaction. 3. Balance a redox reaction using the half-reaction method. What you need: pen and paper Part B. Balance the following redox equations using the half-reaction method: 1. Cr20,2- (ag) + HNO2(aq) → Cr* (ac) + NO3 (ag) (acidic) Cro2- 2. Cr(OH)3 (s) + ClO3" (aq) - + Cl (aq) (basic) (aq)

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter17: Electrochemistry

Section: Chapter Questions

Problem 83AP

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Using data from Table 17-1, place the following in order of increasing strength as reducing agents (all under standard conditions). Cu+,F,H,H2O,I2,K
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Write the following balanced reactions using cell notation. Use platinum as an inert electrode, if needed.. (a) Mg(s)+Ni2+(aq)Mg2+(aq)+Ni(s) (b) 2Ag+(aq)+Cu(s)Cu2(aq)+2Ag(s) (c) Mn(s)+Sn(NO3)2(aq)Mn(NO3)2(aq)+Au(s) (d) 3CuNO3(aq)+Au(NO3)3(aq)3Cu(NO3)2(aq)+Au(s)