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प्रश्न
Ethanoic acid _________.
पर्याय
is odourless
has a pungent smell
has a smell of rotten egg
- has a vinegar-like an odour
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उत्तर
Ethanoic acid has a pungent smell.
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संबंधित प्रश्न
A student puts a drop of reaction mixture of a saponification reaction first a blue litmus paper and then on a red litmus paper. He may observe that:
(a) There is no change in the blue litmus paper and the red litmus paper turns white.
(b) There is no change in the red litmus paper and the blue litmus paper turns red.
(c) There is no change in the blue litmus paper and the red litmus paper turns blue.
(d) No change in colour is observed in both the litmus papers
A gas is liberated immediately with a brisk effervescence, when you add acetic acid to sodium hydrogen carbonate powder in a test tube. Name the gas and describe the test that confirms the identity of the gas.
Identify the term or substance based on the descriptions given below
Ice like crystals formed on cooling an organic acid sufficiently.
Give balanced chemical equations for Sodium ethanoate to methane.
Name the following:
The distinctive reaction that takes place when ethanol is treated with acetic acid.
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?
How does ethanoic acid react with sodium hydrogen carbonate? Give equation of the reaction which takes place.
An organic compound X of molecular formula C2H4O2 gives brisk effervescence with sodium hydrogen carbonate. Give the name and formula of X.
What do you notice when acetic acid reacts with alcohol?
A student is studying the properties of acetic acid. List two physical properties of acetic acid he observes. What happens when he adds a pinch of sodium hydrogen carbonate to this acid? Write any two observations.
Which one of the following are the correct observations about acetic acid?
(A) It turns blue litmus red and smells like vinegar
(B) It turns blue litmus red and smells like burning sulphur
(C) It turns res litmus blue and smells like vinegar
(D) It turns red litmus blue and has a fruity smell
How is ethyne prepared in the laboratory?
Write the molecular formulae and structure formula of ethanic acid?
Give a balanced chemical equation for the following conversion:
Calcium carbide to ethyne.
What are catalysts?
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
Ethanoic acid is also known as which of these?
Which of these is not an organic acid?
Which of the following substance produces brisk effervescence with baking soda solution?
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.
