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प्रश्न
What is the common name of ethanoic acid?
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उत्तर
The common name of ethanoic acid is acetic acid.
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संबंधित प्रश्न
The molecular formula of acetic acid is _________ .
(a) CH3COOH
(b) CH3 – CH3
(c) C6H6
(d) C2H4
Write three different chemical reactions showing the conversion of ethanoic acid to sodium ethanoate. Write balanced chemical equation in each case. Write the name of the reactants and the products other ethanoic acid and sodium ethanoate in each case.
A student adds 2 mL of acetic acid to a test tube containing 2 mL of distilled water. He then shakes the test tube well and leaves it to settle for some time. After about 5 minutes he observes that in the test tube there is :
(A) a clear transparent colourless solution
(B) a clear transparent pink solution
(C) a precipitate settling at the bottom of the test tube
(D) a layer of water the layer of acetic acid
Complete the following chemical equations :CH3COOH+NaOH→
What is the common name of methanoic acid.
Fill in the following blank with suitable word:
The next higher homologue of ethanol is ...............
Describe a test for carboxylic acid.
How does ethanoic acid react with sodium hydrogen carbonate? Give equation of the reaction which takes place.
Vinegar is a solution of about:
(a) 5 to 8 per cent ethanoic acid in alcohol
(b) 5 to 8 per cent ethanoic acid in water
(c) 50 to 80 per cent ethanoic acid in water
(d) 50 to 80 per cent ethanoic acid in alcohol
Name the reducing agent used to convert acetic acid into ethanol.
A student puts a drop of acetic acid first on a blue litmus paper and then on a red litmus paper. He would observe that
(A) the red litmus paper turns colourless and there is no change in the blue litmus paper.
(B) the red litmus paper turns blue and the blue litmus paper turns red.
(C) there is no change in the red litmus paper and the blue litmus paper turns red.
(D) there is no change in the blue litmus paper and the red litmus paper turns blue.
Acetic acid solution turns:
(1) blue litmus red
(2) red litmus blue
(3) blue litmus colourless
(4) red litmus colourless
What is the main constituent of vinegar?
Define glacial acetic acid?
Give a balanced chemical equation for the following conversion:
Calcium carbide to ethyne.
Choose the correct alternative and rewrite the following:
Some acetic acid is treated with solid NaHCO3, the resulting solution will be _________________.
CH3–CH2–CHO : propanal : : CH3–COOH : _______
Ethanoic acid turns ______ litmus to ______
When ethanoic acid is treated with NaHCO^ the gas evolved is ______.
