PROPERTIES OF CARBOXYLIC ACID
📚 Main Topics
Introduction to Carboxylic Acids
- Definition and formation from the oxidation of aldehydes, which are derived from primary alcohols.
Solubility Tests
- Solubility of various carboxylic acids in water.
- Solubility of carboxylic acids in sodium bicarbonate.
Reactivity with Oxidizing Agents
- Observing the reaction of carboxylic acids with potassium permanganate.
✨ Takeaways
- Carboxylic acids are produced through the oxidation of aldehydes, which in turn come from primary alcohols.
- Different carboxylic acids exhibit varying solubility in water and sodium bicarbonate.
- The reactivity of carboxylic acids with potassium permanganate can indicate their strength as reducing agents.
🧠 Lessons
- Solubility ObservationsStudents should compare the solubility of acetic acid, oleic acid, stearic acid, oxalic acid, and benzoic acid in both water and sodium bicarbonate.
- Reactivity AssessmentAfter conducting the reaction with potassium permanganate, students should analyze which carboxylic acid reacted most vigorously, indicating its oxidizing potential.
- DocumentationStudents are encouraged to document their observations and answer related questions for submission.
This activity aims to deepen understanding of the properties and behaviors of carboxylic acids in a laboratory setting.
Transcript excerpt
0:00 hi welcome back to our class in chemistry laboratory today i will be demonstrating to you the activity on the carboxylic acids let us try to know what are the properties exhibited by these carboxylic acids as in the solubility towards water the solubility towards sodium bicarbonate and the action of the carboxylic acids on the oxidizing agents
0:32 now what are these carboxylic acids carboxylic acids are those substances produced when the aldehydes are oxidized so the traceback the aldehydes are oxidized products of alcohols particularly primary alcohols and when these aldehydes are oxidized the carboxylic acids are formed so the raw material in making the
1:02 carboxylic acid is the alcohol so to start with activity we're going to perform first the solubility of the different carboxylic acids towards water we will use 3ml of water as our solvent to the different carboxylic acids
1:48 for the first test tool we are going to add three drops of the acetic acid let's shake it to test whether the
2:20 acetic acid is soluble in water observed the second test tube let us add here the
2:52 oleic acid let's add three drops of this oleic acid to water then let's shake it and i want you to observe what happens
3:25 to the third touch of water let us add the stearic acid again let's add a pinch of the stearic acid and let's shake it whether it dissolves in the water observe what happens
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