Ch.4 - Chemical Quantities & Aqueous ReactionsWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: a. Which element is reduced in this reaction? 2Cr(OH)3 + 3OCl− + 4OH− → 2CrO42− + 3Cl− + 5H2O b. Which element is oxidized in this reaction? 2CuO + C → 2Cu + CO 2 c. Write the net ionic equation f

Problem

a. Which element is reduced in this reaction?

2Cr(OH)3 + 3OCl + 4OH → 2CrO42− + 3Cl + 5H2O

b. Which element is oxidized in this reaction?

2CuO + C → 2Cu + CO 2

c. Write the net ionic equation for the following reaction:

FeO(s) + 2HClO4(aq) → Fe(ClO4)2(aq) + H2O(l)