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

11. Bonding & Molecular Structure

Lewis Dot Structures: Neutral Compounds

General Chemistry

11. Bonding & Molecular Structure

Lewis Dot Structures: Neutral Compounds

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Multiple Choice

Which of the following represents a correct Lewis structure for CH2FCO2H (fluoroacetic acid)?

The carboxylic acid group is attached directly to a hydrogen atom, and the central carbon is bonded only to fluorine and two hydrogens.

The central carbon is bonded to three hydrogens and one fluorine, with the carboxylic acid group attached to the fluorine atom.

The central carbon is double-bonded to fluorine and single-bonded to two hydrogens and one carboxylic acid group.

The central carbon is bonded to two hydrogens, one fluorine, and one carboxylic acid group (CO2H), with all atoms having complete octets and no formal charges.

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Verified step by step guidance

Identify the molecular formula and the connectivity of atoms in fluoroacetic acid (CH2FCO2H). The molecule consists of a central carbon atom bonded to two hydrogens, one fluorine, and one carboxylic acid group (CO2H).

Recall that the carboxylic acid group (CO2H) consists of a carbon atom double-bonded to one oxygen atom, single-bonded to a hydroxyl group (OH), and single-bonded to the central carbon atom.

Draw the central carbon atom with single bonds to two hydrogen atoms and one fluorine atom, and a single bond to the carboxylic acid carbon atom.

Complete the Lewis structure by adding the double bond between the carboxylic acid carbon and one oxygen atom, and a single bond between the carboxylic acid carbon and the hydroxyl oxygen atom, which is also bonded to a hydrogen atom.

Check that all atoms (except hydrogen) have complete octets and that the formal charges are minimized, confirming the correct Lewis structure for fluoroacetic acid.