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प्रश्न
Ketone : –CO– : : Ester : _______
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उत्तर
Ketone : –CO– : : Ester : –COO–
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संबंधित प्रश्न
In an experiment to study the properties of ethanoic acid, a student takes about 3 mL of ethanoic acid in a dry test tube. He adds an equal amount of distilled water to it and shakes the test tube well. After some time he is likely to observe that
(A) a colloid is formed in the test tube.
(B) the ethanoic acid dissolves readily in water.
(C) the solution becomes light orange.
(D) water floats over the surface of ethanoic acid.
In order to study saponification reaction, we first prepare 20% solution of sodium hydroxide. If we record the temperature of this solution just after adding sodium hydroxide flakes to water and also test its nature using litmus, it may be concluded that the process of making this solution is
(A) exothermic and the solution is alkaline
(B) endothermic and the solution is alkaline
(C) endothermic and the solution is acidic
(D) exothermic and the solution is acidic
Complete the following chemical equations :CH3COOH+NaOH→
Complete the following chemical equations :CH3COOH + Na2CO3 →
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
How would you distinguish experimentally between an alcohol and carboxylic acid on the basis of a chemical property?
Choose those compounds from the following which can turn blue litmus solution red:
HCHO, CH3COOH, CH3OH, C2H5OH, HCOOH, CH3CHO
Give reasons for your choice.
Describe one reaction of a carboxylic acid.
How is ethanoic acid obtained from ethanol? Write down the chemical equation of the reaction involved.
What happens when ethanoic acid reacts with sodium hydroxide? Write equation of the reaction involved.
Give the structural formulae of acetic acid.
What do you notice when acetic acid reacts with litmus?
Name the reducing agent used to convert acetic acid into ethanol.
Why is Soda lime used not only NaOH?
Write the important uses of acetic acid.
State how the following conversions can be carried out:
Ethene to Ethyl alcohol.
State are relevant observations for following reactant:
Addition of ethyl alcohol to acetic acid in presence of conc. H2SO4
Write the molecular formula of the given compound.
Sodium ethanoate
Give the balanced chemical equation of the following reaction:
Evolution of carbon dioxide by the action of ethanoic acid with NaHCO3.
Draw the structural diagram of:
Ethanoic acid
