Table of contents

1. Intro to General Chemistry3h 46m
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 51m
7. Gases3h 52m
8. Thermochemistry2h 38m
9. Quantum Mechanics2h 58m
10. Periodic Properties of the Elements3h 10m
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 34m
22. Organic Chemistry5h 7m
23. Chemistry of the Nonmetals2h 39m
24. Transition Metals and Coordination Compounds3h 16m

6. Chemical Quantities & Aqueous Reactions

Molecular Equations

General Chemistry

6. Chemical Quantities & Aqueous Reactions

Molecular Equations

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Multiple Choice

Which of the following compounds is insoluble in water?

NH₄NO₃

Fe(C₂H₃O₂)₃

CuCl₂

PbSO₄

All are soluble in water.

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Verified step by step guidance

Step 1: Understand the concept of solubility rules. Solubility rules help predict whether a compound will dissolve in water. Common rules include: nitrates (NO3-) and ammonium (NH4+) compounds are generally soluble, acetates (C2H3O2-) are usually soluble, and chlorides (Cl-) are soluble except for those of silver, lead, and mercury.

Step 2: Analyze each compound based on solubility rules. NH4NO3 contains ammonium and nitrate ions, both of which are soluble in water. Fe(C2H3O2)3 contains acetate ions, which are generally soluble. CuCl2 contains chloride ions, which are soluble except for certain exceptions.

Step 3: Consider the exception for chlorides. CuCl2 is soluble because copper is not one of the exceptions (silver, lead, mercury). Therefore, CuCl2 is soluble in water.

Step 4: Evaluate PbSO4. Lead sulfate (PbSO4) is known to be insoluble in water due to the specific solubility rule that sulfates are generally soluble except for those of barium, calcium, and lead.

Step 5: Conclude that PbSO4 is the compound that is insoluble in water based on the solubility rules and exceptions.