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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
A student adds a few drops of ethanoic acid to test tubes X, Y and Z containing aqueous solutions of sodium chloride, sodium hydroxide and sodium carbonate, respectively. If he now brings a burning splinter near the mouth of the test tubes immediately after adding ethanoic acid in each one of them, in which of the test tube or test tubes the flame will be extinguished?
(A) X and Y
(B) Y and Z
(C) X and Z
(D) only Z
What is the common name of methanoic acid.
Name the first four members of alphatic carboxylic acid.
Why is pure acetic acid also known as glacial acetic acid?
Write the chemical equation for the following:
Combustion of methane
Write a fully balanced equation for the folowing case:
Acitic acid is warmed with ethanol in the presence of concentrated sulpheric acid.
State how the following conversions can be carried out:
Ethyl alcohol to Ethane
Shristi heated Ethanol with a compound A in presence of a few drops of concentrated sulphuric acid and observed a sweet smelling compound B is formed. When B is treated with sodium hydroxide it gives back Ethanol and a compound C.
- Identify A and C
- Give one use each of compounds A and B.
- Write the chemical reactions involved and name the reactions.
Write the chemical equation for the following:
Saponification Reaction
A spatula full of sodium carbonate is taken in a test tube and 2 mL of dilute ethanoic acid is added to it.
Suggest a method of testing the gas liberated in the reaction.
