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प्रश्न
Explain the following term with example.
Monomer
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उत्तर
Monomer: A monomer is a molecule that forms the basic unit for polymers. They may be considered as building blocks from which proteins are made. Monomers may bind to other monomer unit to form a repeating chain molecule. Monomers may be either natural or synthetic in origin.
For example: Ethylene, vinyl chloride, styrene etc.
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संबंधित प्रश्न
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 equation:
\[\ce{CH3COOC2H5 + NaOH ->}\]
Write the IUPAC names, common names and formulae of the first two members of the homologous series of carboxylic acids.
Write the formulae of methanoic acid.
What happens when propanoic acid is warmed with methanol in the presence of a few drops of concentrated sulphuric acid? Write equation of the reaction involved.
How does ethanoic acid react with sodium hydrogen carbonate? Give equation of the reaction which takes place.
What happens when ethanoic acid reacts with sodium hydroxide? Write equation of the reaction involved.
On adding NaHCO3 to acetic acid, a gas is evolved which turns lime water milky due to the formation of:
(1) Calcium bicarbonate
(2) Calcium hydroxide
(3) Calcium carbonate
(4) Calcium acetate
Why is Soda lime used not only NaOH?
Name the following:
A toxic alcohol
What is thr boilng point of acetic acid?
Using appropriate catalysts, ethane can be oxidized to an alcohol. Name the alcohol formed when ethane is oxidized.
State how the following conversions can be carried out:
Ethyl alcohol to Ethane
Give a balanced chemical equation for the following conversion:
Calcium carbide to ethyne.
Ketone : –CO– : : Ester : _______
Ethanoic acid turns ______ litmus to ______
Bubbles are seen in the test tube during the preparation of lime water.
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
How is ethanol to ethanoic acid an oxidation reaction different from the reaction in which ethanol burns in the presence of oxygen?
