Ch.10 - Molecular Shapes & Valence Bond TheoryWorksheetSee 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: The bond order for a molecule is the number of bonds between a pair of atoms. For example, for the oxygen molecule, O = O, the bond order is two; for the hydrogen molecule, H - H, the bond order is one. Bond order indicates the strength of the bond. Consider the four resonating structures of the phosphate ion: Calculate the average bond order for a P - O bond (such as the one shown in blue) in a phosphate ion. Express your answer numerically as a decimal or improper fraction.

Solution: The bond order for a molecule is the number of bonds between a pair of atoms. For example, for the oxygen molecule, O = O, the bond order is two; for the hydrogen molecule, H - H, the bond order is on

Problem

The bond order for a molecule is the number of bonds between a pair of atoms. For example, for the oxygen molecule, O = O, the bond order is two; for the hydrogen molecule, H - H, the bond order is one. Bond order indicates the strength of the bond. Consider the four resonating structures of the phosphate ion: Calculate the average bond order for a P - O bond (such as the one shown in blue) in a phosphate ion. Express your answer numerically as a decimal or improper fraction.

Solution
  • For this problem, we are asked for the average bond order of P-O bond

  • From the paragraph, it tells us that a single bond is equal to bond order of 1 while 2 bonds/double bonds is equal to bond order of 2

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