Table of contents

1. Intro to General Chemistry3h 48m
2. Atoms & Elements4h 16m
3. Chemical Reactions4h 10m
4. BONUS: Lab Techniques and Procedures1h 38m
5. BONUS: Mathematical Operations and Functions48m
6. Chemical Quantities & Aqueous Reactions3h 53m
7. Gases3h 49m
8. Thermochemistry2h 37m
9. Quantum Mechanics2h 58m
10. Periodic Properties of the Elements3h 9m
11. Bonding & Molecular Structure3h 29m
12. Molecular Shapes & Valence Bond Theory1h 57m
13. Liquids, Solids & Intermolecular Forces2h 23m
14. Solutions3h 1m
15. Chemical Kinetics2h 53m
16. Chemical Equilibrium2h 29m
17. Acid and Base Equilibrium5h 1m
18. Aqueous Equilibrium4h 47m
19. Chemical Thermodynamics1h 50m
20. Electrochemistry2h 42m
21. Nuclear Chemistry2h 36m
22. Organic Chemistry5h 7m
23. Chemistry of the Nonmetals2h 39m
24. Transition Metals and Coordination Compounds3h 16m

15. Chemical Kinetics

Factors Influencing Rates

General Chemistry

15. Chemical Kinetics

Factors Influencing Rates

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Multiple Choice

Which of the following reacting molecules are able to produce products the fastest?

Hexagonal structure of benzene, a common organic compound in chemical kinetics.

Linear structure of a primary amine with three carbon atoms and an amine group.

Branched structure of a hydrocarbon with a central carbon atom connected to three others.

Tetrahedral structure of a hydrocarbon with a central carbon atom bonded to four methyl groups.

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Verified step by step guidance

Identify the functional groups or structural features in each molecule that could influence reaction rate. For example, aromatic rings, amine groups, or branching in alkanes.

Consider the type of reaction each molecule might undergo. Aromatic compounds like benzene (first image) typically undergo electrophilic substitution reactions, while amines (second image) can participate in nucleophilic substitution or addition reactions.

Evaluate the steric hindrance in each molecule. Highly branched alkanes (fourth image) may react slower due to steric hindrance compared to linear or less branched alkanes (third image).

Assess the electronic effects. Electron-donating groups, such as the amine group in the second image, can increase the reactivity of a molecule by making it a better nucleophile.

Compare the overall reactivity based on the above factors. Molecules with less steric hindrance and favorable electronic effects are likely to react faster.