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

22. Organic Chemistry

Benzene Reactions

General Chemistry

22. Organic Chemistry

Benzene Reactions

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Multiple Choice

Fill in the missing reagent for the provided reaction.

Chemical structure of benzene with a substituent and a missing reagent.

Illustration of benzene undergoing a reaction with a missing reagent.

Benzene reaction mechanism diagram indicating a missing reagent.

Chemical reaction involving benzene with an unspecified reagent.

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Verified step by step guidance

Identify the starting material and the product in the reaction. The starting material is a benzene ring with a nitro group (NO2) attached, and the product is a benzene ring with an amino group (NH2) attached.

Recognize that the transformation from a nitro group to an amino group is a reduction reaction. This type of reaction typically involves the addition of hydrogen to the nitro group.

Consider common reagents used for the reduction of nitro groups to amino groups. Some typical reagents include tin (Sn) with hydrochloric acid (HCl), iron (Fe) with hydrochloric acid (HCl), or catalytic hydrogenation using hydrogen gas (H2) with a metal catalyst like palladium on carbon (Pd/C).

Select an appropriate reagent for the reaction. For example, using tin (Sn) with hydrochloric acid (HCl) is a common method for reducing nitro groups to amino groups in aromatic compounds.

Write the complete reaction equation with the chosen reagent. For instance, if using Sn and HCl, the reaction would be: C6H5NO2 + 3 Sn + 6 HCl → C6H5NH2 + 3 SnCl2 + 2 H2O.