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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
Name the following:
The distinctive reaction that takes place when ethanol is treated with acetic acid.
Draw the structure for the following compound:
Propanoic 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.
What is the physical state of CH3COOH?
Esters are sweet-smelling substances and are used in making perfumes. Describe an activity for the preparation of an ester with the help of a well labelled diagram. Write an equation for the chemical reaction involved in the formation of the ester. Also write the names of all the substances involved in the process of esterification.
State any two uses of esters.
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.
How is acetic acid prepared from acetylene?
What do you observe when acetic acid is added to sodium bicarbonate?
Name the functional group present in the following compound:
C2H5CHO
Acetic acid smells like:
(1) a banana
(2) vinegar
(3) an orange
(4) a lemon
What is the main constituent of vinegar?
Fill in the blank with appropriate word/words.
Esterification is the reaction between carboxylic acid and ______ in presence of ____
State are relevant observations for following reactant:
Addition of ethyl alcohol to acetic acid in presence of conc. H2SO4
Ethanoic acid _________.
Ethanoic acid is also known as which of these?
What happens when a small piece of sodium is dropped in ethanol? Write the equation for this reaction.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
Give the balanced chemical equation of the reaction.
Oxidation of ethanol by acidified potassium dichromate.
