Alcohols And Phenols
Chapter Name : Alcohols, Phenols And Ethers |
Sub Topic Code : 102_12_11_04_05 |
Topic Name : Alcohols And Phenols |
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Sub Topic Name : Preparation Of Phenols From Benzenesulphonic Acid |
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Introduction
Phenols, sometimes called phenolics, are a class of chemical compounds consisting of a hydroxyl group (—OH) bonded directly to an aromatic hydrocarbon group.
Pre-Requisites:
Phenols
Activity:
Tannin.
Real Life Question:
What are the applications of Phenols?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Benzene sulfonic acid | Benzene sulfonic acid is an organ sulfur compound with the formula C6H5SO3H. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Polyphenol | A structural class of mainly natural, but also synthetic or semisynthetic, organic chemicals characterized by the presence of large multiples of phenol structural units. |
Real life uses :
Tannins are used in the tanning industry.
Places to visit :
Pharmacy.
Practical examples around us
| Examples | Explainations |
|---|---|
| Tannin | Tannin (also known as vegetable tannin, natural organic tannins or sometimes tannoid, i.e. a type of biomolecule, as opposed to modern synthetic tannin) is an astringent, bitter plant polyphenolic compound that binds to and precipitates proteins and various other organic compounds including amino acids and alkaloids. |
What you learn in Theory:
Phenols, sometimes called phenolics, are a class of chemical compounds consisting of a hydroxyl group (—OH) bonded directly to an aromatic hydrocarbon group.
What you learn in Practice:
NaOH+SO3H=OH