Describe an activity to find out how ethanoic acid reacts with sodium carbonate. Name the gas evolved. How can the gas be tested ?

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Solution

Take a small volume of ethanoic acid in a tube. Add a few drops of sodium carbonate (Na₂CO₃) solution prepared in water to the tube. A colourless gas with brisk effervescence will evolve. When the gas is passed through lime water, it will become milky.

$N a_{2} C O_{3} (a q)$ + $C H_{3} C O O H (a q)$ $\to$ $C H_{3} C O O N a (a q)$ + $H_{2} O (g)$ + $C O_{2} (g)$

$C a (O H)_{2} (a q) L i m e W a t e r$ + $C O_{2} (g)$ $\to$ $C a C O_{3} (s) M i l k y$ + $H_{2} O (a q)$

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Name the gas evolved when ethanoic acid is added to sodium carbonate. How would you prove the presence of this gas ?

Question 47
A salt X is formed and gas is evolved when ethanoic acid reacts with sodium hydrogen carbonate. Name the salt X and the gas evolved. Describe an activity and draw the diagram of the apparatus to prove that the evolved gas is one which you have named. Also, write chemical equation of the reaction involved.

Q. (a) When ethanoic acid reacts with sodium hydrogen carbonate, then a salt X is formed and a gas Y is evolved. Name the salt X and gas. Y Describe an activity with the help of a labelled diagram of the apparatus used to prove that the evolved gas is the one which you have named. Also write the chemical equation of the reaction involved.
(b) Give any two uses of ethanoic acid.

Q. A salt X is formed and a gas is evolved when ethanoic acid reacts with sodium hydrogencarbonate. Name the salt X and the gas evolved.

Q. (a) Why are covalent compounds generally poor conductors of electricity?
(b) Name the following compound:

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