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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
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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.
A student takes about 6 ml of distilled water in each of the four test tubes P, Q, R and S. He then dissolves an equal amount of four different salts namely, sodium chloride in 'P', potassium chloride in 'Q', calcium chloride in 'R' and magnesium chloride in 'S'. Next, he then adds 10 drops of soap solution to each test tube and shakes its contents. The test tubes in which scum (insoluble substance) is formed with soap are:
(A) P and Q
(B) Q and R
(C) R and S
(D) Q and S
List two uses of esters.
Give a reason for Conductivity of dilute hydrochloric acid is greater than that of acetic acid
What is the common name of methanoic acid.
Why is the conversion of ethanol into ethanoic acid an oxidation reaction?
An organic compound X of molecular formula C2H4O2 gives brisk effervescence with sodium hydrogen carbonate. Give the name and formula of X.
State any two uses of esters.
Write the names of three compounds which can be oxidised directly or in stages to produce acetic acid.
Why is Soda lime used not only NaOH?
Fill in the blank with appropriate word/words.
Denatured alcohol is a mixture of _____ and _______
Why is pure acetic acid also known as glacial acetic acid?
Draw the structure formula of ethyne.
Choose the correct option from given alternative:
When sodium hydrogen carbonate is added to ethanoic acid a gas evolves. Consider the following statements about the gas evolved?
(A) It turns lime water milky.
(B) It is evolved with brisk effervescence.
(C) It has a smell of burning sulfur.
(D) It is also a by-product of respiration.
Give the balanced chemical equation of the following reaction:
Evolution of carbon dioxide by the action of ethanoic acid with NaHCO3.
A few drops of ethanoic acid were added to solid sodium carbonate. The observation made was that ______.
Ethanoic acid reacts with the basic salt, sodium carbonate, to form a salt, named ______, water and carbon dioxide gas.
What happens when a small piece of sodium is dropped in ethanol? Write the equation for this reactions.
