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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

16. Carboxylic Acids and Their Derivatives

Carboxylic Acid Reactions

GOB Chemistry

16. Carboxylic Acids and Their Derivatives

Carboxylic Acid Reactions

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Multiple Choice

Name the carboxylate anion formed in the following reaction.

2-methylpentanoate

4-methylhexanoate

4-methylpentanoate

2-methylhexanoate

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Verified step by step guidance

Identify the structure of the carboxylic acid in the reaction. The image shows a carboxylic acid with a methyl group on the second carbon of a five-carbon chain, which is 2-methylpentanoic acid.

Understand the reaction type. The reaction shown is a neutralization reaction between a carboxylic acid and a strong base (NaOH), which will form a carboxylate anion and water.

Determine the carboxylate anion formed. In a neutralization reaction, the hydrogen from the carboxylic acid group (-COOH) is replaced by a sodium ion (Na+), forming the carboxylate anion.

Name the carboxylate anion. The carboxylate anion retains the name of the parent carboxylic acid but ends with '-ate'. Therefore, 2-methylpentanoic acid becomes 2-methylpentanoate.

Verify the structure and name. Ensure that the structure matches the name 2-methylpentanoate, which is consistent with the given options and the correct answer provided.