Question

Explain the given reaction with the examples;
a) Hydrogenation reaction
b) Oxidation reaction
c) substitution reaction
d) saponification reaction
e) combustion reaction

Answer 1

Answer:

Chemical reaction, a process in which one or more substances, the reactants, are converted to one or more different substances, the products. Substances are either chemical elements or compounds. A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products.Nov 4, 2020

Explanation:

Answer 2

a) Hydrogenation reaction

• This is the addition of hydrogen gas to a molecule
• A catalyst is needed for the reaction
• An example is the addition of hydrogen to ethene to form ethane

b) Oxidation reaction

• It is the reaction in which the oxidation state of an element increases
• It is coupled with a reduction reaction
• An example is the combustion of methane to form carbon dioxide and water

c) Substitution reaction

• In this reaction, the functional group of a compound is replaced by another functional group
• An example is the reaction of halogenation

d) Saponification reaction

• It is the hydrolysis of ester to produce alcohol and the salt of carboxylic acid
• An example is the reaction of sodium hydroxide reacting with a fat to form glycerol and soap molecules

e) Combustion

• In this reaction, a compound reacts with oxygen gas to produce carbon dioxide and water
• An example is the combustion of methane to form carbon dioxide and water

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