English
Maharashtra State BoardSSC (English Medium) 10th Standard

Which gas does come out as effervescence in the big test tube? What is the colour change in the lime water present in the small test tube? Write the related reaction.

Advertisements
Advertisements

Question

The reaction between acetic acid and sodium carbonate is shown in the following figure.

Answer the questions with the help of a diagram.

  1. Which gas does come out as effervescence in the big test tube?
  2. What is the colour change in the lime water present in the small test tube?
  3. Write the related reaction.
Short/Brief Note
Advertisements

Solution

  1. Carbon dioxide gas.
  2. Lime water turns milky.
  3. \[\ce{2CH3COOH (aq) + Na2CO3 (g) -> CH3COONa (aq) + H2O (l) + CO2 (g)}\]
shaalaa.com
  Is there an error in this question or solution?
2025-2026 (March) Model set 3 by shaalaa.com

RELATED QUESTIONS

Complete the following chemical equations :CH3COOH + Na2CO3 →


Write the IUPAC names, common names and formulae of the first two members of the homologous series of carboxylic acids.


Name the functional group present in an organic compound which gives brisk effervescence with NaHCO3.


Describe a test for carboxylic acids.


An organic compound A (molecular formula C2H4O2) reacts with Na metal to form a compound B and evolves a gas which burns with a pop sound. Compound A on treatment with an alcohol C in the presence of a little of concentrated sulphuric acid forms a sweet-smelling compound D (molecular formula C3H6O2). Compound D on treatment with NaOH solution gives back B and C. Identify A, B, C and 


Write the IUPAC name of the following:

\[\begin{array}{cc}
\ce{CH3}\\
|\\
\ce{CH3 -C -CH3}\\
|\\
\ce{CH3}
\end{array}\]


What is glacial acetic acid?


The next higher homologue of ethanoic acid is ______.


Name the functional group present in the following compound:
HCOOH


How is ethyne prepared in the laboratory?


How Will You Carry Out the Following Conversions?

Ehane to acitic acid


Draw the structural formula of a compound with two carbon atoms in the following case:

An alcohol containing two carbon atoms.


What type of compound is formed by the reaction between acetic acid and an alcohol?


Using appropriate catalysts, ethane can be oxidized to an alcohol. Name the alcohol formed when ethane is oxidized.


Give a balanced chemical equation for the following conversion:

Calcium carbide to ethyne.


What are catalysts?


Write the characteristics of ethanoic acid.


Mineral acids are stronger acids than carboxylic acids because

  1. mineral acids are completely ionised
  2. carboxylic acids are completely ionised
  3. mineral acids are partially ionised
  4. carboxylic acids are partially ionised

Which of these is not an organic acid?


In the presence of the acid catalyst, ethanoic acid reacts with ethanol and ______ ester is produced.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×