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प्रश्न
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
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उत्तर
(i) Odour: Acetic acid has punget smell.
(ii) Effect on litmus: Acetic acid turns blue litmus to red.
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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.
Draw the structures for the following compounds of Propanoic acid.
What is the physical state of CH3COOH?
Choose those compounds from the following which can turn blue litmus solution red:
HCHO, CH3COOH, CH3OH, C2H5OH, HCOOH, CH3CHO
Give reasons for your choice.
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
Draw the structural formula of a compound with two carbon atoms in the following case:
An alcohol containing two carbon atoms.
Identify the term or substance based on the descriptions given below:
Hydrocarbon containing a triple bond used for welding purposes
Write the molecular formula of the given compound.
Sodium ethanoate
How is ethanol to ethanoic acid an oxidation reaction different from the reaction in which ethanol burns in the presence of oxygen?
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.
