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प्रश्न
Shristi heated Ethanol with a compound A in presence of a few drops of concentrated sulphuric acid and observed a sweet smelling compound B is formed. When B is treated with sodium hydroxide it gives back Ethanol and a compound C.
- Identify A and C
- Give one use each of compounds A and B.
- Write the chemical reactions involved and name the reactions.
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उत्तर
- A - Ethanoic acid/ Or any other carboxylic acid,
C - Sodium salt of ethanoic acid/any other carboxylic acid/sodium ethanoate. - Use of A - dil solution used as vinegar in cooking/preservative in pickles.
Use of B - making perfumes, flavoring agent. - \[\ce{CH3COOH + C2H5OH ->[Conc H2SO4] CH3COOC2H5 + H2O}\]
\[\ce{CH3COOC2H5 + NaOH -> CH3COONa + C2H5OH}\]
APPEARS IN
संबंधित प्रश्न
Give the common names and IUPAC names of the following compounds of HCOOH.
Name the gas evolved when ethanoic acid is added to sodium carbonate. How would you prove the presence of this gas?
If you are asked to report your observations about the following two properties of acetic acid, what would you report?
(i) Odour
(ii) Effect on litmus
How is ethyne prepared in the laboratory?
State how the following conversions can be carried out:
Ethyl chloride to Ethyl alcohol
Draw the structural formula for the following:
Ethanoic acid
A compound X when treated with an organic acid Y (having vinegar-like smell) in the presence of the acid Z, forms a compound P which has a fruity smell.
- Identify X, Y and Z
- Write the structural formula of X and Y.
- What type of compound is P?
- Name the above reaction.
- If compounds X and Y both have 2 carbon atoms. Write the reaction.
With a labelled diagram describe in brief an activity to show the formation of ester.
A student while observing the properties of acetic acid would report that this smells like ______.
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.
