Question

what are the properties of ethenol​

Answer 1

Ethanol is a volatile, colorless liquid that has a slight odor. It burns with a smokeless blue flame that is not always visible in normal light. The physical properties of ethanol stem primarily from the presence of its hydroxyl group and the shortness of its carbon chain.

Answer 2

Answer:

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Ethanol is a volatile, colorless liquid that has a slight odor. It burns with a smokeless blue flame that is not always visible in normal light. The physical properties of ethanol stem primarily from the presence of its hydroxyl group and the shortness of its carbon chain.

Explanation:

Physical Properties

It is a colourless, volatile liquid with characteristic pleasant odour.

It has boiling point of 351 K.

Chemical Properties  

      Following are the important chemical properties of ethanol.  

1. Combustibility  

         Ethanol can easily burn in air to produce carbon dioxide and water.  

Ethanol Producing Carbon Dioxide And Water

2. Reaction with Na Metal  

      Ethanol Reacts With Sodium Metal To Produce Sodium Ethoxide And Hydrogen Gas  

Reacts Ethanol With Sodium Metal

3. Dehydration of Ethanol  

      When ethanol is heated to 1600-1700C in the presence of sulphuric acid (H2SO4) then a molecule of water is liberated and ethene is formed.  

Dehydration Of Ethanol

4. Oxidation of Ethanol  

      The oxidation of alcohol involves the formation of a carbon-oxygen bond. These reactions are also called degradation reactions because these reactions involve loss of hydrogen from ethanol. The oxidation process can be carried out by a number of reagents such as potassium permanganate (KMnO4) or chromic anhydride (CrO3).  

1) Oxidation by Chromic Anhydride

      By chromic anhydride ethanol is converted into ethanal.  

Oxidation of Ethanol by Chromic Anhydride

2) Oxidation by Potassium Permanganate

      Ethanol can be converted into ethanoic acid by oxidation of KMnO4 as follows:  

Oxidation of Ethanol by Potassium Permanganate

Esterification

      Ethanol reacts with carboxylic acids in the presence of conc. H2SO4 as catalyst to form sweet smelling substance called esters having general formula (RCOOR). This process is called esterification.  

Esterification of Ethanol