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प्रश्न
Write the characteristics of ethanoic acid.
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
A student adds a spoon full of powdered sodium hydrogen carbonate to a flask containing ethanoic acid. List two main observations, he must note in his note book, about the reaction that takes place. Also write chemical equation foe the reaction.
How esters are prepared ?
Name the following:
The distinctive reaction that takes place when ethanol is treated with acetic acid.
Fill in the blanks from the choices given within brackets:
The basicity of acetic acid is-------- (3, 1, 4).
Give the name and structural formula of one homologue of HCOOH.
What will you observe when dilute ethanoic acid and dilute hydrochloric acid are put on universal indicator paper, one by one? What does it show?
What is the physical state of CH3COOH?
Name the substance used to change acetic acid to acetic anhydride?
On adding 2 mL acetic acid to 2 mL of water in a test tube, it was observed that
(A) a clear and transparent solution is formed
(B) a white precipitate is formed almost immediately
(C) two separate layers were formed
(D) a colourless and odourless gas is evolved
Explain the following term with example.
Monomer
Explain the following term with example.
Reduction
How is ethyne prepared in the laboratory?
Name the following:
A toxic alcohol
Write a balanced equation for the following:
Write the equation for the preparation of ethylene from ethyl alcohol.
Rewrite the following statement by selecting the correct option.
The formula of ethanoic acid is _____________.
With a labelled diagram describe in brief an activity to show the formation of ester.
Explain the following reaction with an example.
Esterification
What are catalysts?
The reaction between acetic acid and sodium carbonate is shown in the following figure.
Answer the questions with the help of a diagram.
- Which gas does come out as effervescence in the big test tube?
- What is the colour change in the lime water present in the small test tube?
- Write the related reaction.
Bubbles are seen in the test tube during the preparation of lime water.
