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 salt is formed when potassium hydroxide (KOH) reacts with sulfuric acid (H2SO4)?

KHSO4

K2SO3

KNO3

K2SO4

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Verified step by step guidance

Identify the reactants: potassium hydroxide (KOH) is a strong base, and sulfuric acid (H2SO4) is a strong acid.

Write the balanced chemical equation for the neutralization reaction between KOH and H2SO4. Since H2SO4 has two acidic protons, it can react with two moles of KOH:

$$ \mathrm{H_2SO_4 + 2KOH \rightarrow K_2SO_4 + 2H_2O} $$

Recognize that the salt formed is potassium sulfate (K2SO4), because the sulfate ion (SO4^{2-}) pairs with two potassium ions (K^+) to maintain charge neutrality.

Confirm that the other options are incorrect: KHSO4 is potassium bisulfate (formed if only one proton is neutralized), K2SO3 is potassium sulfite (different anion SO3^{2-}), and KNO3 is potassium nitrate (from nitric acid, not sulfuric acid).