Table of contents

1. A Review of General Chemistry5h 5m
2. Molecular Representations1h 14m
3. Acids and Bases2h 46m
4. Alkanes and Cycloalkanes4h 17m
5. Chirality3h 39m
6. Thermodynamics and Kinetics1h 22m
7. Substitution Reactions1h 48m
8. Elimination Reactions2h 30m
9. Alkenes and Alkynes2h 9m
10. Addition Reactions3h 19m
11. Radical Reactions1h 58m
12. Alcohols, Ethers, Epoxides and Thiols2h 42m
13. Alcohols and Carbonyl Compounds2h 17m
14. Synthetic Techniques1h 26m
15. Analytical Techniques:IR, NMR, Mass Spect7h 3m
16. Conjugated Systems6h 13m
17. Ultraviolet Spectroscopy51m
18. Aromaticity2h 34m
19. Reactions of Aromatics: EAS and Beyond5h 1m
20. Phenols55m
21. Aldehydes and Ketones: Nucleophilic Addition4h 56m
22. Carboxylic Acid Derivatives: NAS2h 51m
23. The Chemistry of Thioesters, Phophate Ester and Phosphate Anhydrides1h 10m
24. Enolate Chemistry: Reactions at the Alpha-Carbon1h 53m
25. Condensation Chemistry2h 9m
26. Amines1h 43m
27. Heterocycles2h 0m
28. Carbohydrates5h 53m
29. Amino Acids4h 20m
30. Peptides and Proteins2h 42m
31. Catalysis in Organic Reactions1h 30m
32. Lipids 2h 50m
33. The Organic Chemistry of Metabolic Pathways2h 52m
34. Nucleic Acids1h 32m
35. Transition Metals6h 14m
36. Synthetic Polymers1h 49m

3. Acids and Bases

Organic Chemistry Reactions

Organic Chemistry

3. Acids and Bases

Organic Chemistry Reactions

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Multiple Choice

In the context of organic chemistry reactions, which type of light is most effectively absorbed by chlorophyll in plants during photosynthesis?

Green light

Infrared light

Yellow light

Red and blue light

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Verified step by step guidance

Understand the role of chlorophyll in photosynthesis: Chlorophyll is a pigment found in the chloroplasts of plant cells, and it plays a crucial role in absorbing light energy to drive the process of photosynthesis.

Identify the absorption spectrum of chlorophyll: Chlorophyll primarily absorbs light in the blue and red regions of the electromagnetic spectrum. This is due to the specific molecular structure of chlorophyll, which allows it to absorb certain wavelengths more effectively.

Consider the visible light spectrum: Visible light ranges from approximately 400 nm (violet) to 700 nm (red). Chlorophyll absorbs light most efficiently at wavelengths around 430 nm (blue) and 662 nm (red).

Analyze the options given: Green light, infrared light, and yellow light are mentioned. Green light is not absorbed effectively by chlorophyll, which is why plants appear green; they reflect green light. Infrared light is outside the visible spectrum and is not absorbed by chlorophyll for photosynthesis. Yellow light is absorbed to some extent but not as effectively as blue and red light.

Conclude with the correct answer: Based on the absorption spectrum of chlorophyll, the most effectively absorbed light during photosynthesis is red and blue light.