CHEMLAB ( ALCOHOL)
Storyboard Text
- CHEMISTRY( Properties of Alcohol )
- Hi! My name is Dr mamagbitang, i am your chemlab teacher, And today i will teach you about the properties of alcohol.
- ALCOHOL is a organic compound where a hydroxyl group replaces the hydrogen atom of an aliphatic carbon.
- Alcohol dehydrate in an acidic medium. As per the Saytzeff's Rule, intramolecular dehydration leads to the formation of alkene hile intermolecular dehydration forms ether.
- REACTION OF ALCOHOL
- DEHYDRATION OF ALCOHOL
- The hydroxyl group decides the solubility of alcohol in water. The hydroxyl group in alcohol takes part in the formation of intermolecular hydrogen bonding. Thus, hydrogen bonds between water and alcohol molecules make alcohol soluble in water. The solubility of alcohol decreases with the increase in the size of the alkyl group because of the hydrophobic nature of the alkyl group.
- Solubilty of alcohol
- Alcohols generally have higher boiling points as compared to other hydrocarbons having equal molecular masses. the boiling point of alcohols increases with increase in the number of carbon atoms in the aliphatic carbon chain.
- Boiling point ofAlcohol
- Alcohols react with active metals such as sodium, potassium etc. and form the corresponding alkoxide.he acidic nature of alcohol is due to the polarity of –OH bond. The acidity of alcohols decreases when an electron donating group is attached to the hydroxyl group. This is due to the fact that it increases the electron density of the oxygen atom.
- Acidity of Alcohol
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