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प्रश्न
A student is studying the properties of acetic acid in his school laboratory. List two physical and two chemical properties which he must observe and note in his record book.
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उत्तर
Physical properties of acetic acid
- It is colourless liquid at room temperature with unpleasant odour.
- It is miscible in water due to the formation of hydrogen bonds with water.
Chemical properties of acetic acid
- It reacts with absolute ethanol in the presence of an acid catalyst to give an ester, a sweet-smelling substances.
- It reacts with carbonates and hydrogencarbonates to give rise to a salt, carbon dioxide and water.
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संबंधित प्रश्न
While studying saponification reaction, a student measures the temperature of the reaction mixture and also finds its nature using blue/red litmus paper. On the basis of his observations the correct conclusion would be
(A) the reaction is exothermic and the reaction mixture is acidic.
(B) the reaction is endothermic and the reaction mixture is acidic.
(C) the reaction is endothermic and the reaction mixture is basic.
(D) the reaction is exothermic and the reaction mixture is basic.
Name one chemical compound which can be used to distinguish between ethanol and ethanoic acid.
What is an oxidising agent?
Write the important uses of acetic acid.
Fill in the blank with appropriate word/words.
Esterification is the reaction between carboxylic acid and ______ in presence of ____
Write balanced euation for the following :
Ethane is burnt in air.
State are relevant observations for following reactant:
Addition of ethyl alcohol to acetic acid in presence of conc. H2SO4
Vinegar is a solution of ______.
Why is glacial acetic acid called so?
How is ethanol to ethanoic acid an oxidation reaction different from the reaction in which ethanol burns in the presence of oxygen?
