Advertisements
Advertisements
प्रश्न
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
Advertisements
उत्तर
Acetic acid dissolves completely in distilled water and gives a clear, colourless and transparent solution.
Hence, the correct option is A.
APPEARS IN
संबंधित प्रश्न
What are esters ?
Draw the structures for the following compounds of Propanoic acid.
What is the common name of methanol?
Name one chemical compound which can be used to distinguish between ethanol and ethanoic acid.
What happens when propanoic acid is warmed with methanol in the presence of a few drops of concentrated sulphuric acid? Write equation of the reaction involved.
Name two oxidising agents which can oxidise ethanol to ethanoic acid.
Write the names of the first three members of the carboxylic acid series.
The next higher homologue of ethanoic acid is ______.
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.
Assertion (A): Esterification is a process in which a sweet-smelling substance is produced.
Reason (R): When esters react with sodium hydroxide an alcohol and sodium salt of carboxylic acid are obtained.
