Advertisements
Advertisements
प्रश्न
Give any two uses of ethanoic acid.
Advertisements
उत्तर
Uses of ethanoic acid:
(1) Ethanoic acid is used in the preparation of plastics, dyes and pharmaceuticals.
(2) Dilute ethanoic acid (vinegar) is used as a food preservative, and as an appetiser in dressing food dishes.
APPEARS IN
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.
What are esters ?
Fill in the blanks from the choices given within brackets:
The basicity of acetic acid is-------- (3, 1, 4).
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.
Ethanol can be oxidized to ethanoic acid. Write the equation and name the oxidizing agent.
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
How is ethyne prepared in the laboratory?
What type of compound is formed by the reaction between acetic acid and an alcohol?
Give balanced chemical equations for the following conversion :
Ethanoic acid to ethyl ethanote
State are relevant observations for following reactant:
Addition of ethyl alcohol to acetic acid in presence of conc. H2SO4
Draw the structural formula for the following:
Ethanoic acid
Ethanoic acid _________.
Write the answers to the questions by observing the following figure.
- Write the chemical reaction shown in the figure above in the form of a balanced equation.
- Write the name of the gas coming out of the large test tube in the above chemical reaction.
- Why do small bubbles appear in the small test tube?
- What is the change in colour of lime water?
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
Ethanoic acid is also known as which of these?
When ethanoic acid is treated with NaHCO^ the gas evolved is ______.
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.
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.
