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प्रश्न
Reshu by mistake forgot to label the two test tubes containing Ethanol and Ethanoic acid. Suggest an experiment to identify the substances correctly? Illustrate the reactions with the help of chemical equations.
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उत्तर
By reaction with sodium carbonate/ bi carbonate 1M with the samples, ethanol will not react whereas ethanoic acid gives brisk effervescence.
\[\ce{2CH3COOH + Na2 CO3 -> 2CH3COONa +H2O + CO2}\]
OR
\[\ce{CH3COOH + NaHCO3 -> CH3COONa + H2O + CO2}\]
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संबंधित प्रश्न
Choose the correct alternative and rewrite the following:
Acetic acid ..................
What is the common name of ethanoic acid?
Give the name and structural formula of one homologue of HCOOH.
Name one chemical compound which can be used to distinguish between ethanol and ethanoic acid.
A student takes Na2CO3 powder in a test tube and pours some drops of acetic acid over it. He observes:
(A) no reaction in the test tube
(B) colourless gas with pungent smell
(C) bubbles of a colourless and odourless gas
(D) white fumes with smell of vinegar
A student adds 4 mL of acetic acid to a test tube containing 4 mL of distilled water. He then shakes the test tube and leaves it to settle. After about 10 minutes he observes:
(A) a layer of water over the layer of acetic acid
(B) a layer of acetic acid over the layer of water
(C) a precipitate settling at the bottom of the test tube
(D) a clear colourless solution
What is the action of acetic acid with litmus paper?
How will you carry out the following conversions?
Ethene to acetic acid
Fill in the blank with appropriate word/words.
Esterification is the reaction between carboxylic acid and ______ in presence of ____
Which of these is not an organic acid?
