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प्रश्न
Explain the following term with example.
Reduction
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उत्तर
A chemical reaction in which a substance gains hydrogen or loses oxygen is called a reduction reaction.
E.g. In the following reaction, ethylene (ethene) is reduced to ethane.
\[\ce{\underset{\text{Ethylene}}{H2C = CH2} ->[H2][Pt/Ni] \underset{\text{Ethane}}{CH3CH3}}\]
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संबंधित प्रश्न
A student adds 2 mL of acetic acid to a test tube containing 2 mL of distilled water. He then shakes the test tube well and leaves it to settle for some time. After about 5 minutes he observes that in the test tube there is :
(A) a clear transparent colourless solution
(B) a clear transparent pink solution
(C) a precipitate settling at the bottom of the test tube
(D) a layer of water the layer of acetic acid
Complete the following chemical equations:
C2H5OH+CH3COOH`("conc."H_2SO_4)/`>
Write the name and chemical formula of the simplest organic acid.
What is the common name of ethanoic acid?
Name one chemical compound which can be used to distinguish between ethanol and ethanoic acid.
propanol into propanoic acid?
Name the process in each case and write the equations of the reactions involved.
Name two oxidising agents which can oxidise ethanol to ethanoic acid.
Which of the following molecular formula corresponds to ethylbutanoate ester?
(a) C5H10O2
(b) C6H12O2
(c) C7H14O2
(d) C8H16O2
Write the names of the first three members of the carboxylic acid series.
The next higher homologue of ethanoic acid is ______.
Name the following:
A toxic alcohol
Write a fully balanced equation for the folowing case:
Acitic acid is warmed with ethanol in the presence of concentrated sulpheric acid.
Give reason for the following :
Ethyne is more reactive than ethane
State are relevant observations for following reactant:
Addition of ethyl alcohol to acetic acid in presence of conc. H2SO4
Ketone : –CO– : : Ester : _______
Ester is a sweet-smelling compound.
Which of the following represents saponification reaction?
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
Give the balanced chemical equation of the following reaction:
Combustion of ethanol.
