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Question
Write the molecular formula of the given compound.
Ethanoic acid
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Solution
Ethanoic acid- CH3COOH or C2H4O2
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RELATED QUESTIONS
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.
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.
When ethanol reacts with ethanoic acid in the presence of conc. H2SO4, a substance with fruity smell is produced. Answer the following:-
(i) State the class of compounds to which the fruity smelling compounds belong. Write the chemical equation for the reaction and write the chemical name of the product formed.
(ii) State the role of conc. H2SO4 in the reaction.
Complete the following chemical equations :CH3COOH + Na2CO3 →
Give balanced chemical equations for Sodium ethanoate to methane.
Fill in the following blank with suitable word:
The next higher homologue of ethanol is ...............
How would you distinguish experimentally between an alcohol and carboxylic acid on the basis of a chemical property?
How would you distinguish between ethanol and ethanoic acid by chemical test?
Vinegar is a solution of about:
(a) 5 to 8 per cent ethanoic acid in alcohol
(b) 5 to 8 per cent ethanoic acid in water
(c) 50 to 80 per cent ethanoic acid in water
(d) 50 to 80 per cent ethanoic acid in alcohol
What do you observe when acetic acid is added to sodium bicarbonate?
While studying saponification reactions, the following comments were noted down by the students :
(I) Soap is a salt of fatty acids.
(II) The reaction mixture is basic in nature.
(III) In this reaction heat is absorbed.
(IV) This reaction is not a neutralisation reaction.
Which of these are the correct comments ?
(A) I and III only
(B) I, II and III
(C) II, III and IV
(D) I and II only
Acetic acid solution turns:
(1) blue litmus red
(2) red litmus blue
(3) blue litmus colourless
(4) red litmus colourless
Explain the following term with example.
Monomer
Fill in the blank with appropriate word/words.
Vinegar is a solution of about ________per cent ________in water.
Draw the structural formula of a compound with two carbon atoms in the following case:
An alcohol containing two carbon atoms.
Write a balanced chemical equation for the following:
Monochloroethane is hydrolysed with aqueous KOH.
Identify the term or substance based on the descriptions given below:
Hydrocarbon containing a triple bond used for welding purposes
Ethanoic acid _________.
With a labelled diagram describe in brief an activity to show the formation of ester.
Observe the diagram given below and answer the questions:
- Name the reactants in this reaction.
- Which gas comes out as effervescence in the bigger test tube?
- What is the colour change in the lime water?
- In the above experiment instead of sodium carbonate which chemical can be used to get same products?
- Write the use of acetic acid.
