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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
Draw the structure for the following compound:
Ethanoic acid
Name two oxidising agents which can oxidise ethanol to ethanoic acid.
When ethanoic acid reacts with sodium hydrogen carbonate, then a salt X is formed and a gas Y is evolved. Name the salt X and gas. Y Describe an activity with the help of a labelled diagram of the apparatus used to prove that the evolved gas is the one which you have named. Also write the chemical equation of the reaction involved.
An organic compound A (molecular formula C2H4O2) reacts with Na metal to form a compound B and evolves a gas which burns with a pop sound. Compound A on treatment with an alcohol C in the presence of a little of concentrated sulphuric acid forms a sweet-smelling compound D (molecular formula C3H6O2). Compound D on treatment with NaOH solution gives back B and C. Identify A, B, C and
The next higher homologue of ethanoic acid is ______.
Fill in the blank with appropriate word/words.
Esterification is the reaction between carboxylic acid and ______ in presence of ____
Write the chemical equation for the following:
Combustion of methane
Choose the correct answer:
Select the acid which contains four hydrozen atoms in it.
Give a chemical reaction in which a catalyst is used.
Ethanoic acid reacts with the basic salt, sodium carbonate, to form a salt, named ______, water and carbon dioxide gas.
