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प्रश्न
State the observation
When the gaseous product obtained by dehydration of ethyl alcohol is passed through bromine water.
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उत्तर
The reddish brown colour of bromine solution gets decolourised.
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संबंधित प्रश्न
Ethanoic acid has a .................... odour.
(a) Rotten eggs
(b) Pungent
(c) Vinegar-like
(d) Mild
While studying saponification reaction for the preparation of soap, a teacher suggested to a student to add a small quantity of common salt to the reaction mixture. The function of common salt in this reaction is to
(A) reduce the alkalinity of the soap
(B) reduce the acidity of the soap
(C) enhance the cleansing capacity of soap
(D) favour precipitation of soap
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
Identify the term or substance based on the descriptions given below
Ice like crystals formed on cooling an organic acid sufficiently.
What do you observe when acetic acid is added to a neutral FeCl3 solution?
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
Define glacial acetic acid?
Fill in the blank with appropriate word/words.
Vinegar is a solution of about ________per cent ________in water.
Write the chemical equation for the ethanol to ethanoic acid of an oxidation reaction.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
