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Ethanoic Acid or Acetic Acid

On adding ace...

Question

On adding acetic acid to soild sodium hydrogen carbonate, a student observes the liberation of a (A) greenish yellow gas with pungent smell. (b) colourless and odourless gas.(C) yellow coloured, odourless gas, (d) colourless gas with smell of rotten eggs.

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Solution

Reaction of acetic acid with sodium hydrogen carbonates takes place withthe evolutionof carbon dioxide gas. CO₂is a colourless and odourless gas. The following chemical reaction takes place.
CH₃COOH + NaHCO₃â†’ CH₃COONa + CO₂+ H₂O

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Similar questions

Q. Four students observed the colour and odour of acetic acid and its reaction with sodium hydrogencarbonate. They tabulated their observations as given below.

Student	Colour of acetic acid	Odour of acetic acid	Action with sodium hydrogencarbonate
A B C D	blue colourless light green light brown	fruity smell of vinegar odourless rotten eggs	gas evolves without bubbles effervescence gas evolves without bubbles effervescence

The correct set of observation is that of student:
(1) A
(2) B
(3) C
(4) D

Q. When you add a few drops of acetic acid to a testube containing sodium bicarbonate powder, which one of the following is your observation?
(a) No reaction takes place.
(b) A colourless gas with pungent smell is released with brisk effervescence.
(c) A brown coloured gas is released with brisk effervescence.
(d) Formation of bubbles of a colourless and odourless gas.

A student takes $N a_{2} C O_{3}$ powder in a test tube and pours some drops of acetic acid over it. He observes:

Q. A greenish yellow gas burns in a rotten egg smelling gas giving an acidic gas and a yellow coloured non metal. Write the balanced chemical equation of the reaction.

Q. When zinc metal reacts with dilute sulphuric acid, a gas is evolved. Which one is a correct statement about the nature of this gas ?
(1) colourless with suffocating odour
(2) reddish brown and odourless
(3) colourless and sweet smelling
(4) colourless and odourless

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