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प्रश्न
What type of compound is formed when a carboxylic acid reacts with an alcohol in the presence of conc. H2SO4?
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उत्तर
Esters are formed when carboxylic acid reacts with alcohol in the presence of concentrated sulphuric acid.
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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.
You have four test tubes, A, B, C and D containing sodium carbonate, sodium chloride, lime water and blue litmus solutions respectively. Out of these the material of which test tube/ test tubes would be suitable for the correct test of acetic/ethanoic acid?
(a) only A
(b) A and B
(c) B and C
(d) A and D
Give balanced chemical equations for Sodium ethanoate to methane.
When zinc powder is added to acetic acid ______________
(a) the mixture becomes warm
(b) a gas is evolved
(c) the colour of the mixture becomes yellow
(d) a solid settles at the bottom
Consider the following organic compound:
CH3OH, C2H5OH, CH3COCH3, CH3COOH, C2H5COOH, C4H9COOC2H5, CH4, C2H6, CH3CHO, HCHO
Out of these compound:
Which compound is added to alcohol to denature it?
Give two tests to show that CH3COOH is acidic in nature ?
What do you observe when acetic acid is added to ethyl alcohol in the presence of sulphuric acid?
In an experiment to study the properties of acetic acid a student takes about 2 mL of acetic acid in a dry test tube. He adds about 2 mL of water to it and shakes the test tube well. He is likely to observe that:
(A) the acetic acid dissolves readily in water
(B) the solution becomes light orange
(C) water floats over the surface of acetic acid
(D) acetic acid floats over the surface of water
Which of the following observations is true about dilute solution of acetic acid?
(A) It smells like vinegar and turns red litmus blue
(B) It smells like onion and turns blue litmus red
(C) It smells like orange and turns red litmus blue
(D) It smells like vinegar and turns blue litmus red
On adding 2 mL acetic acid to 2 mL of water in a test tube, it was observed that
(A) a clear and transparent solution is formed
(B) a white precipitate is formed almost immediately
(C) two separate layers were formed
(D) a colourless and odourless gas is evolved
Why is Soda lime used not only NaOH?
Write three physical properties of acetic acid.
Why is pure acetic acid also known as glacial acetic acid?
What type of compound is formed by the reaction between acetic acid and an alcohol?
Explain the following reaction with an example.
Saponification
Bubbles are seen in the test tube during the preparation of lime water.
Write the chemical equation for the ethanol to ethanoic acid of an oxidation reaction.
How is ethanol to ethanoic acid an oxidation reaction different from the reaction in which ethanol burns in the presence of oxygen?
Give the balanced chemical equation of the following reaction:
Combustion of ethanol.
