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Question
What do you observe when acetic acid is added to ethyl alcohol in the presence of sulphuric acid?
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Solution
When acetic acid is added to ethyl alcohol in the presence of sulphuric acid, an ester (ethyl acetate) is formed. Esters can be detected by their fruity smell.
\[\ce{\underset{Acetic acid}{CH3COOH} + \underset{Ethanol}{C2H5OH} ->[H2SO4] \underset{Ethyl acetate}{CH3COOC2H5} + H2O}\]
RELATED QUESTIONS
What do you observe when you drop a few drops of acetic acid to test tubes containing
(a) phenolphthalein
(b) distilled water
(c) universal indicator
(d) sodium hydrogen carbonate powder
Give a reason for Conductivity of dilute hydrochloric acid is greater than that of acetic acid
Give the name and structural formula of one homologue of HCOOH.
An organic acid X is a liquid, which often freezes during winter time in cold countries, having the molecular formula C2H4O2. On warming it with methanol in the presence of a few drops of concentrated sulphuric acid, a compound Y with a sweet smell is formed.
(a) Identify X and Y. Also write their formulae showing the functional group present in them.
(b) Write a chemical equation for the reaction involved.
Write the IUPAC name of the following:
\[\begin{array}{cc}
\ce{CH3}\\
|\\
\ce{CH3 -C -CH3}\\
|\\
\ce{CH3}
\end{array}\]
On adding 2 mL acetic acid to 2 mL of water in a test tube, it was observed that
(A) a clear and transparent solution is formed
(B) a white precipitate is formed almost immediately
(C) two separate layers were formed
(D) a colourless and odourless gas is evolved
Define glacial acetic acid?
Ethanoic acid _________.
Raina while doing certain reactions observed that heating of substance ‘X’ with a vinegar-like smell with a substance ‘Y’ (which is used as an industrial solvent.) in the presence of conc. Sulphuric acid in a water bath gives a sweet-smelling liquid ‘Z’ having molecular formula C4H8O2. When heated with caustic soda (NaOH), ‘Z’ gives back the sodium salt and the compound ‘Y’.
Identify ‘X’, ‘Y’, and ‘Z’. Illustrate the changes with the help of suitable chemical equations.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
