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: Place the following compounds in order of increasing oxidation state of nitrogen:NH2OH      N2H4      HNO2     NH+4      HNO3(A) HNO2 < NH2OH < N2H4 < HNO3 < NH+4(B) HNO3 < HNO2 < NH2OH < N2H< NH+4(C) NH+4 < N2H4 < NH2OH < HNO2 < HNO3(D) NH2OH < N2H4 < HNO2 < NH+4 < HNO3(E) N2H4 < NH+4 < HNO3 < NH2OH < HNO2

Problem

Place the following compounds in order of increasing oxidation state of nitrogen:

NH2OH      N2H4      HNO2     NH+4      HNO3

(A) HNO2 < NH2OH < N2H4 < HNO3 < NH+4

(B) HNO3 < HNO2 < NH2OH < N2H< NH+4

(C) NH+4 < N2H4 < NH2OH < HNO2 < HNO3

(D) NH2OH < N2H4 < HNO2 < NH+4 < HNO3

(E) N2H4 < NH+4 < HNO3 < NH2OH < HNO2

Solution

Calculate the oxidation state of N atom in each compound and arrange them to an increasing value


The rules for oxidation states are as follows:


A. General Rules:

1. For an atom in its elemental form (Zn, Cl2, C(graphite), etc.)    O.S. = 0

2. For an ion (Li+, Al3+, etc.)                                                       O.S. = charge

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