CBSE /Class 10
Science MCQ Based On Carbon and its compounds ethanoic acid
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CBSE Class 10 Science Carbon and its compounds ethanoic acid
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When an ester is heated with dilute sodium hydroxide it changes back into the original alcohol and sodium salt of the original carboxylic acid . Such reaction is known as saponification.
In the presence of concentrated sulphuric acid esterification reaction takes place.
Saponificarion is the reaction reverse to that of esterification.
When 2 molecules of Ethanoic acid reacts with sodium carbonate it produces 2 molecules of sodium ethanoate 1 molecule of water and 1 molecule of carbon di oxide.
Glacial acetic acid is the 100 % acetic acid obtained by first freezing pure ethanoic acid to get glacier like structure then it is melt to get obtain the glacial acetic acid.
When a molecule of Ethanoic acid reacts with sodium hydrogen carbonate it produces a molecule of sodium ethanoate 1 molecule of water and 1 molecule of carbon di oxide.
Ethanoic acid also undergoes neutralization reaction in the same manner as that of any other acid.
All the carboxylic acids react with sodium carbonate and sodium hydrogen carbonate to give CO2 gas as one of its products which can be further tested by passing the produced gas through lime water if it turns lime water milky it shows the presence of carboxylic acid or else it is not the case.
Water loving part of soaps and detergents is called hydrophilic and the dirt loving part is called hydrophobic part.
Water loving part of soaps and detergents is called hydrophilic and the dirt loving part is called hydrophobic part.
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