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प्रश्न
On adding acetic acid to sodium hydrogen carbonate in a test tube, a student observes
(A) no reaction
(B) a colourless gas with pungent smell
(C) bubbles of a colourless and odourless gas
(D) a strong smell of vinegar
उत्तर
Acetic acid reacts with sodium hydrogen carbonate to form the salt sodium acetate and water with the evolution of CO2. This CO2 is a colourless, odourless gas. Thus, the student will observe bubbles of colourless and odourless gas.
The Correct Answer is C
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संबंधित प्रश्न
What are esters ?
When you add a few drops of acetic acid to a test-tube 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
Which of the following molecular formula corresponds to ethylbutanoate ester?
(a) C5H10O2
(b) C6H12O2
(c) C7H14O2
(d) C8H16O2
What do you observe when acetic acid is added to a neutral FeCl3 solution?
Write balanced euation for the following :
Ethane is burnt in air.
Why is pure acetic acid also known as glacial acetic acid?
State how the following conversions can be carried out:
Ethyl alcohol to Ethane
Explain the following reaction with an example.
Esterification
What are catalysts?
