Ch.10 - Molecular Shapes & Valence Bond TheoryWorksheetSee all chapters
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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: Use the molecular orbital diagram shown to determine the bond order for NO +. Is NO+ paramagnetic or diamagnetic? In molecular orbital names, s = sigma and p = pi.a. 3, paramagneticb. 2, paramagneticc. 2.5, paramagneticd. 2, diamagnetice. 3, diamagnetic

Problem

Use the molecular orbital diagram shown to determine the bond order for NO +. Is NO+ paramagnetic or diamagnetic? In molecular orbital names, s = sigma and p = pi.

a. 3, paramagnetic

b. 2, paramagnetic

c. 2.5, paramagnetic

d. 2, diamagnetic

e. 3, diamagnetic

Solution

Construct the molecular orbital diagram of NOand calculate for the bond order and determine if its paramagnetic or diamagnetic


Step 1: Calculate the total number of valence electrons present.

Step 2: Draw the molecular orbital diagram.

Step 3: Determine if there's an unpaired MO (paramagnetic or diamagnetic)

Step 4: Calculate the bond order of the molecule/ion. Recall that the formula for bond order is:


Bond order = 12# e- in bonding MO - # e- in anti-bonding MO 



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