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

4. Alkanes and Cycloalkanes

Cis vs Trans

Organic Chemistry

4. Alkanes and Cycloalkanes

Cis vs Trans

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Multiple Choice

Which of the following statements about trans fats is accurate?

Trans fats have hydrogen atoms on opposite sides of the double bond.

Trans fats are more commonly found in liquid form at room temperature.

Trans fats are typically found in natural oils and fats.

Trans fats have a lower melting point than cis fats.

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Verified step by step guidance

Understand the structure of trans fats: Trans fats are a type of unsaturated fat where the hydrogen atoms are on opposite sides of the double bond. This configuration is known as the 'trans' configuration.

Compare trans fats with cis fats: In cis fats, the hydrogen atoms are on the same side of the double bond, which causes a bend in the molecular structure. This bend affects the physical properties of the fat.

Analyze the physical state of trans fats: Due to their straight structure, trans fats are more likely to be solid at room temperature compared to cis fats, which are typically liquid.

Consider the natural occurrence of trans fats: Trans fats are not commonly found in natural oils and fats. They are often produced industrially through hydrogenation, which adds hydrogen to unsaturated fats to make them more solid.

Evaluate the melting point: Trans fats generally have a higher melting point than cis fats because their straight structure allows them to pack more tightly, making them solid at higher temperatures.