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प्रश्न
Ethanoic acid reacts with the basic salt, sodium carbonate, to form a salt, named ______, water and carbon dioxide gas.
विकल्प
sodium ethanoate
ethyl ethanoate
ethanol
ethyl sodium
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उत्तर
Ethanoic acid reacts with the basic salt, sodium carbonate, to form a salt, named sodium ethanoate, water and carbon dioxide gas.
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संबंधित प्रश्न
Write three different chemical reactions showing the conversion of ethanoic acid to sodium ethanoate. Write balanced chemical equation in each case. Write the name of the reactants and the products other ethanoic acid and sodium ethanoate in each case.
What do you observe when you drop a few drops of acetic acid to test tubes containing
(a) phenolphthalein
(b) distilled water
(c) universal indicator
(d) sodium hydrogen carbonate powder
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
Identify the term or substance based on the descriptions given below
Ice like crystals formed on cooling an organic acid sufficiently.
Fill in the following blank with suitable word:
The next higher homologue of ethanol is ...............
Complete the following equation:
`CH_3 COOH + CH_2 H_5 OH` 
propanol into propanoic acid?
Name the process in each case and write the equations of the reactions involved.
Choose those compounds from the following which can turn blue litmus solution red:
HCHO, CH3COOH, CH3OH, C2H5OH, HCOOH, CH3CHO
Give reasons for your choice.
Esters are sweet-smelling substances and are used in making perfumes. Describe an activity for the preparation of an ester with the help of a well labelled diagram. Write an equation for the chemical reaction involved in the formation of the ester. Also write the names of all the substances involved in the process of esterification.
What do you observe when acetic acid is added to sodium bicarbonate?
A student adds 4 mL of acetic acid to a test tube containing 4 mL of distilled water. He then shakes the test tube and leaves it to settle. After about 10 minutes he observes:
(A) a layer of water over the layer of acetic acid
(B) a layer of acetic acid over the layer of water
(C) a precipitate settling at the bottom of the test tube
(D) a clear colourless solution
Explain the following term with example.
Monomer
Choose the correct answer:
Select the acid which contains four hydrozen atoms in it.
When acetaldehyde is oxidized with acidified potassium dichromate, it forms ______.
Identify the term or substance based on the descriptions given below:
Hydrocarbon containing a triple bond used for welding purposes
Distinguish between esterification and saponification reactions with the help of chemical equations for each.
CH3–CH2–CHO : propanal : : CH3–COOH : _______
Give a chemical reaction in which a catalyst is used.
Write the characteristics of ethanoic acid.
The reaction between acetic acid and sodium carbonate is shown in the following figure.
Answer the questions with the help of a diagram.
- Which gas does come out as effervescence in the big test tube?
- What is the colour change in the lime water present in the small test tube?
- Write the related reaction.
