Advertisements
Advertisements
प्रश्न
Consider the following organic compound:
CH3OH, C2H5OH, CH3COCH3, CH3COOH, C2H5COOH, C4H9COOC2H5, CH4, C2H6, CH3CHO, HCHO
Out of these compound:
Which compound is a constituent of vinegar?(e) Which compound is a constituent of vinegar?
Advertisements
उत्तर
CH3COOH (ethanoic acid) is a constituent of vinegar.
APPEARS IN
संबंधित प्रश्न
A student adds a spoon full of powdered sodium hydrogen carbonate to a flask containing ethanoic acid. List two main observations, he must note in his note book, about the reaction that takes place. Also write chemical equation foe the reaction.
A student takes about 6 ml of distilled water in each of the four test tubes P, Q, R and S. He then dissolves an equal amount of four different salts namely, sodium chloride in 'P', potassium chloride in 'Q', calcium chloride in 'R' and magnesium chloride in 'S'. Next, he then adds 10 drops of soap solution to each test tube and shakes its contents. The test tubes in which scum (insoluble substance) is formed with soap are:
(A) P and Q
(B) Q and R
(C) R and S
(D) Q and S
Complete the following chemical equations : C2H5OH + Na →
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
Name the following:
The distinctive reaction that takes place when ethanol is treated with acetic acid.
The next higher homologue of ethanoic acid is ______.
A student is studying the properties of acetic acid. List two physical properties of acetic acid he observes. What happens when he adds a pinch of sodium hydrogen carbonate to this acid? Write any two observations.
Acetic acid smells like:
(1) a banana
(2) vinegar
(3) an orange
(4) a lemon
Explain the following term with an example.
Oxidant
Write the important uses of acetic acid.
Why is pure acetic acid also known as glacial acetic acid?
Choose the correct answer:
Select the acid which contains four hydrozen atoms in it.
Give reason for the following :
Ethyne is more reactive than ethane
State the observation
When the gaseous product obtained by dehydration of ethyl alcohol is passed through bromine water.
Identify the term or substance based on the descriptions given below:
Ice like crystals formed on cooling an organic acid sufficiently.
When sodium hydrogen carbonate is added to ethanoic acid, a gas evolves. Consider the following statements about the gas evolved.
- It turns lime water milky.
- It is evolved with brisk effervescence.
- It has a smell of burning sulfur.
- It is also a by-product of respiration.
Ketone : –CO– : : Ester : _______
Write the molecular formula of the given compound.
Ethanoic acid
Ethanoic acid reacts with the basic salt, sodium carbonate, to form a salt, named ______, water and carbon dioxide gas.
Write an equation showing saponification.
