Activity 4.6 NCERT Class 10 Science, Carbon and its Compounds

Activity 4.6 NCERT Class 10 Science, Carbon, and its Compounds

Brief procedure:

Activity 4.6 asks us to add a few pieces of sodium metal to an ethanol solution and test for the gas evolved.

Observation: 

Ethanol reacts with sodium to form sodium ethoxide. This salt is colourless and soluble in water. Hydrogen gas evolves during the process which we check by bringing a flame to the test tube.

2C₂H₅OH(aq) + 2Na(s) —–> 2C₂H₅ONa (aq)+ H₂(g)

Next: litmus paper test of acetic acid and HCl. Activity 4.7.

See also: Oxidation of primary alcohol with Alkaline Potassium permanganate, Activity 4.5.

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