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प्रश्न
Ester is a sweet-smelling compound.
विकल्प
Right
Wrong
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उत्तर
Ester is a sweet-smelling compound- Right
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संबंधित प्रश्न
Ethanoic acid has a .................... odour.
(a) Rotten eggs
(b) Pungent
(c) Vinegar-like
(d) Mild
Complete the following chemical equations : C2H5OH`("Conc."H_2SO_4)/(443K)`>
Three organic compounds A, B and C have the following molecular formulae: C4H10O
Which compound contains a carboxyl group? Write its name and structural formula.
What happens when ethanoic acid reacts with sodium hydroxide? Write equation of the reaction involved.
An organic acid X is a liquid, which often freezes during winter time in cold countries, having the molecular formula C2H4O2. On warming it with methanol in the presence of a few drops of concentrated sulphuric acid, a compound Y with a sweet smell is formed.
(a) Identify X and Y. Also write their formulae showing the functional group present in them.
(b) Write a chemical equation for the reaction involved.
Name the product formed and give an appropriate chemical equation for the following:
Ethanol oxidised by acidified potassium dichromate.
Write the names of the first three members of the carboxylic acid series.
Acetic acid is a typical acid. Write one equation in case of its reactions with a bicarbonate.
Why is Soda lime used not only NaOH?
Why is pure acetic acid also known as glacial acetic acid?
State the observation
When the gaseous product obtained by dehydration of ethyl alcohol is passed through bromine water.
Distinguish between esterification and saponification reactions with the help of chemical equations for each.
Ketone : –CO– : : Ester : _______
Write the molecular formula of the given compound.
Sodium ethanoate
Ethanoic acid turns ______ litmus to ______
Which of the following represents saponification reaction?
Ethanoic acid reacts with the basic salt, sodium carbonate, to form a salt, named ______, water and carbon dioxide gas.
Raina while doing certain reactions observed that heating of substance ‘X’ with a vinegar-like smell with a substance ‘Y’ (which is used as an industrial solvent.) in the presence of conc. Sulphuric acid in a water bath gives a sweet-smelling liquid ‘Z’ having molecular formula C4H8O2. When heated with caustic soda (NaOH), ‘Z’ gives back the sodium salt and the compound ‘Y’.
Identify ‘X’, ‘Y’, and ‘Z’. Illustrate the changes with the help of suitable chemical equations.
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.
