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प्रश्न
Which of the following observations is true about dilute solution of acetic acid?
(A) It smells like vinegar and turns red litmus blue
(B) It smells like onion and turns blue litmus red
(C) It smells like orange and turns red litmus blue
(D) It smells like vinegar and turns blue litmus red
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उत्तर
The odour of vinegar is same as that of acetic acid. Also, being an acid (though weak) it turns blue litmus to red.
The Correct Answer is D
संबंधित प्रश्न
When ethanol reacts with ethanoic acid in the presence of conc. H2SO4, a substance with fruity smell is produced. Answer the following:-
(i) State the class of compounds to which the fruity smelling compounds belong. Write the chemical equation for the reaction and write the chemical name of the product formed.
(ii) State the role of conc. H2SO4 in the reaction.
While studying saponification reaction for the preparation of soap, a teacher suggested to a student to add a small quantity of common salt to the reaction mixture. The function of common salt in this reaction is to
(A) reduce the alkalinity of the soap
(B) reduce the acidity of the soap
(C) enhance the cleansing capacity of soap
(D) favour precipitation of soap
How esters are prepared ?
Describe a test for carboxylic acid.
What type of compound is formed when a carboxylic acid reacts with an alcohol in the presence of conc. H2SO4?
Write the names of the first three members of the carboxylic acid series.
What do you notice when acetic acid reacts with metals?
What is vinegar and glacial acetic acid?
A few drops of ethanoic acid were added to solid sodium carbonate. The observation made was that ______.
Write an equation showing saponification.
