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

3. Chemical Reactions

Naming Ionic Compounds

General Chemistry

3. Chemical Reactions

Naming Ionic Compounds

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Multiple Choice

Which of the following is the correct chemical formula for aluminum hypochlorite?

Al(ClO)3

AlClO3

Al(ClO2)3

AlCl3

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Verified step by step guidance

Step 1: Identify the ions involved. Aluminum typically forms a cation with a charge of +3, written as Al^{3+}. The hypochlorite ion is a polyatomic ion with the formula ClO^{-} and a charge of -1.

Step 2: Determine the ratio of ions needed to balance the charges. Since aluminum has a +3 charge and hypochlorite has a -1 charge, three hypochlorite ions are needed to balance one aluminum ion, resulting in a neutral compound.

Step 3: Write the chemical formula by placing the aluminum ion first, followed by the hypochlorite ion in parentheses with a subscript of 3 to indicate three hypochlorite ions: Al(ClO)_{3}.

Step 4: Verify that the formula represents a neutral compound by checking the total charge: +3 from Al and 3 × (-1) from ClO, which sums to zero.

Step 5: Confirm that the other options do not correctly represent aluminum hypochlorite: AlClO_{3} suggests a different ion, Al(ClO_{2})_{3} uses chlorite instead of hypochlorite, and AlCl_{3} is aluminum chloride.