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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
Ethanoic acid has a .................... odour.
(a) Rotten eggs
(b) Pungent
(c) Vinegar-like
(d) Mild
A student puts a drop of reaction mixture of a saponification reaction first a blue litmus paper and then on a red litmus paper. He may observe that:
(a) There is no change in the blue litmus paper and the red litmus paper turns white.
(b) There is no change in the red litmus paper and the blue litmus paper turns red.
(c) There is no change in the blue litmus paper and the red litmus paper turns blue.
(d) No change in colour is observed in both the litmus papers
What are esters ?
How esters are prepared ?
What is the common name of methanoic acid.
Give the common names and IUPAC names of the following compounds of HCOOH.
Write the formulae of ethanoic acid.
Give any two uses of ethanoic acid.
An organic compound A (molecular formula C2H4O2) reacts with Na metal to form a compound B and evolves a gas which burns with a pop sound. Compound A on treatment with an alcohol C in the presence of a little of concentrated sulphuric acid forms a sweet-smelling compound D (molecular formula C3H6O2). Compound D on treatment with NaOH solution gives back B and C. Identify A, B, C and
Name the product formed and give the appropriate chemical equation for the following:
Sodium reacting with ethyl alcohol.
What is glacial acetic acid?
Name the substance used to change acetic acid to acetic anhydride?
If you are asked to report your observations about the following two properties of acetic acid, what would you report?
(i) Odour
(ii) Effect on litmus
Fill in the blank with appropriate word/words.
Esterification is the reaction between carboxylic acid and ______ in presence of ____
Write balanced euation for the following :
Ethane is burnt in air.
State how the following conversions can be carried out:
Ethene to Ethyl alcohol.
State the observation
When the gaseous product obtained by dehydration of ethyl alcohol is passed through bromine water.
Observe the figure and write the answers to the following questions.
- Write the name of the reaction shown in the following figure.
- Write the above chemical reaction in the form of a balanced equation.
- Write the name of the product produced in the above reaction, write a use.
- Write the name of the catalyst used in the above reaction.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
