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प्रश्न
Write the characteristics of ethanoic acid.
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उत्तर
- Ethanoic acid is a colourless liquid at ordinary temperature.
- Its boiling point is 118 °C.
- Melting point of pure ethanoic acid is 17 °C.
- Its aqueous solution is acidic in nature and hence, turns blue litmus red.
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संबंधित प्रश्न
Complete the following chemical equations: CH3COOH+NaHCO3→
What is the common name of methanol?
Name the functional group present in an organic compound which gives brisk effervescence with NaHCO3.
What is an oxidising agent?
Write the names of the first three members of the carboxylic acid series.
What do you notice when acetic acid reacts with litmus?
A student takes 2 mL acetic acid in a dry test tube and adds a pinch of sodium hydrogen carbonate to it. He makes the following observations:
I. A colourless and odourless gas evolves with a brisk effervescence.
II. The gas turns lime water milky when passed through it.
III. The gas burns with an explosion when a burning splinter is brought near it.
IV. The gas extinguishes the burning splinter that is brought near it.
The correct observations are:
(A) I, II, and III
(B) II, III and IV
(C) III, IV and I
(D) IV, I and II
Name the functional group present in the following compound:
C2H5CHO
Acetic acid smells like:
(1) a banana
(2) vinegar
(3) an orange
(4) a lemon
Explain the following term with example.
Reduction
Name the first four members of alphatic carboxylic acid.
Why is pure acetic acid also known as glacial acetic acid?
State how the following conversion can be carried out:
Ethyl chloride to Ethene.
State the observation
When the gaseous product obtained by dehydration of ethyl alcohol is passed through bromine water.
Give balanced chemical equations for the following conversion :
Ethanoic acid to ethyl ethanote
Identify the term or substance based on the descriptions given below:
Ice like crystals formed on cooling an organic acid sufficiently.
Draw the structure formula of ethyne.
Explain the following reaction with an example.
Esterification
Observe the figure and write the answers to the following questions.
- Write the name of the reaction shown in the following figure.
- Write the above chemical reaction in the form of a balanced equation.
- Write the name of the product produced in the above reaction, write a use.
- Write the name of the catalyst used in the above reaction.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
