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प्रश्न
Write the IUPAC names, common names and formulae of the first two members of the homologous series of carboxylic acids.
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उत्तर
The IUPAC names, common names and formula for the first two members of the homologous series of carboxylic acid are:
1) IUPAC name: Methanoic acid; Common name: Formic acid; Formula: HCOOH
2) IUPAC name: Ethanoic acid; Common name: Acetic acid; Formula: CH3COOH
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 ?
What is the physical state of CH3COOH?
State any two uses of esters.
Write the names of three compounds which can be oxidised directly or in stages to produce acetic acid.
What is glacial acetic acid?
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
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 smells like:
(1) a banana
(2) vinegar
(3) an orange
(4) a lemon
Explain the following term with example.
Monomer
Write three physical properties of acetic acid.
Draw the structural formula of a compound with two carbon atoms in the following case:
An alkane with a carbon to carbon single bond.
Identify the term or substance based on the descriptions given below:
Ice like crystals formed on cooling an organic acid sufficiently.
What are catalysts?
In the presence of the acid catalyst, ethanoic acid reacts with ethanol and ______ ester is produced.
Ethanoic acid reacts with the basic salt, sodium carbonate, to form a salt, named ______, water and carbon dioxide gas.
Write the chemical equation for the following:
Esterification Reaction
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
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.
