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

IUPAC Naming

Organic Chemistry

4. Alkanes and Cycloalkanes

IUPAC Naming

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Multiple Choice

Which of the following is the correct IUPAC name for the compound with the molecular formula C4H10?

Propane

Butane

Pentane

Hexane

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Verified step by step guidance

Step 1: Understand the molecular formula C4H10. The formula indicates that the compound contains 4 carbon atoms and 10 hydrogen atoms.

Step 2: Recall the IUPAC naming convention for alkanes, which is based on the number of carbon atoms in the longest continuous chain. The prefix 'meth-' is for 1 carbon, 'eth-' for 2 carbons, 'prop-' for 3 carbons, 'but-' for 4 carbons, and so on.

Step 3: Identify the correct prefix for the compound with 4 carbon atoms. According to IUPAC rules, the prefix for 4 carbon atoms is 'but-'.

Step 4: Combine the prefix with the suffix '-ane', which is used for saturated hydrocarbons (alkanes). Therefore, the name of the compound with 4 carbon atoms is 'butane'.

Step 5: Verify the options given: Propane (3 carbons), Butane (4 carbons), Pentane (5 carbons), Hexane (6 carbons). The correct IUPAC name for C4H10 is 'Butane'.