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 statements correctly identifies the ionizable hydrogen(s) in a neutral acetic acid (CH3COOH) Lewis structure?

Only the hydrogen attached to the oxygen atom is ionizable.

Only the hydrogens attached to carbon atoms are ionizable.

None of the hydrogens in acetic acid are ionizable.

All hydrogens in the molecule are ionizable.

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Verified step by step guidance

Step 1: Understand the structure of acetic acid (CH3COOH). It consists of a methyl group (CH3) attached to a carboxyl group (COOH). The hydrogens are either bonded to carbon atoms (in CH3) or to an oxygen atom (in COOH).

Step 2: Recall that ionizable hydrogens are typically those attached to highly electronegative atoms like oxygen or nitrogen, which can lose a proton (H+) easily, making the molecule acidic.

Step 3: Analyze the hydrogens attached to carbon atoms in the methyl group. These C-H bonds are generally nonpolar and not acidic, so these hydrogens are not ionizable under normal conditions.

Step 4: Examine the hydrogen attached to the oxygen atom in the carboxyl group. This O-H bond is polar and can release a proton (H+), making this hydrogen ionizable and responsible for the acidic behavior of acetic acid.

Step 5: Conclude that only the hydrogen attached to the oxygen atom in the carboxyl group is ionizable, while the hydrogens attached to carbon atoms are not ionizable.