Table of contents

1. Matter and Measurements4h 31m
2. Atoms and the Periodic Table5h 23m
3. Ionic Compounds2h 18m
4. Molecular Compounds2h 18m
5. Classification & Balancing of Chemical Reactions3h 17m
6. Chemical Reactions & Quantities2h 27m
7. Energy, Rate and Equilibrium3h 46m
8. Gases, Liquids and Solids3h 25m
9. Solutions4h 10m
10. Acids and Bases3h 29m
11. Nuclear Chemistry56m
BONUS: Lab Techniques and Procedures1h 38m
BONUS: Mathematical Operations and Functions47m
12. Introduction to Organic Chemistry1h 34m
13. Alkenes, Alkynes, and Aromatic Compounds2h 12m
14. Compounds with Oxygen or Sulfur1h 6m
15. Aldehydes and Ketones1h 1m
16. Carboxylic Acids and Their Derivatives1h 11m
17. Amines39m
18. Amino Acids and Proteins1h 51m
19. Enzymes1h 37m
20. Carbohydrates1h 41m
21. The Generation of Biochemical Energy2h 8m
22. Carbohydrate Metabolism2h 22m
23. Lipids2h 26m
24. Lipid Metabolism1h 45m
25. Protein and Amino Acid Metabolism1h 37m
26. Nucleic Acids and Protein Synthesis2h 54m

12. Introduction to Organic Chemistry

Naming Cyclic Alkanes

GOB Chemistry

12. Introduction to Organic Chemistry

Naming Cyclic Alkanes

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3:06 minutes

Problem 11b

Textbook Question

Name the straight-chain alkanes or cycloalkanes whose structure or formula is shown:
(b) C₆H₁₂

Verified step by step guidance

Step 1: Recognize that the molecular formula C₆H₁₂ corresponds to a hydrocarbon. Since the hydrogen count is less than the maximum possible for six carbons (C₆H₁₄), this indicates the presence of a ring structure or double bond.

Step 2: Determine if the compound is a cycloalkane. Cycloalkanes follow the general formula CₙH₂ₙ, which matches C₆H₁₂. This suggests the compound is a cycloalkane.

Step 3: Identify the specific cycloalkane. With six carbons forming a ring, the compound is named cyclohexane.

Step 4: Confirm the name by visualizing or drawing the structure of cyclohexane, which consists of six carbons connected in a ring with single bonds, and each carbon bonded to two hydrogens.

Step 5: Review the naming conventions for cycloalkanes to ensure accuracy. Cycloalkanes are named by adding the prefix 'cyclo-' to the alkane name corresponding to the number of carbons in the ring.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Alkanes

Alkanes are saturated hydrocarbons consisting only of carbon (C) and hydrogen (H) atoms, connected by single bonds. They follow the general formula CnH2n+2, where 'n' is the number of carbon atoms. Alkanes can be straight-chain or branched, and they are known for their relatively low reactivity compared to other organic compounds.

Cycloalkanes

Cycloalkanes are a class of hydrocarbons that contain carbon atoms arranged in a ring structure. They are also saturated, meaning they contain only single bonds between carbon atoms, and their general formula is CnH2n. Cycloalkanes differ from alkanes in that they have a closed-loop structure, which can affect their chemical properties and reactivity.

Molecular Formula Interpretation

The molecular formula provides a concise representation of the number and types of atoms in a compound. For example, C₆H₁₂ indicates a molecule with six carbon atoms and twelve hydrogen atoms. Understanding how to interpret molecular formulas is crucial for identifying the specific type of hydrocarbon, whether it is a straight-chain alkane, branched alkane, or cycloalkane.