Differentiate between addition and substitution reactions shown by hydrocarbons.
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Addition reaction-> They are properties of unsaturated hydrocarbons. They are given by all the alkenes and alkynes .Addition reaction of ethene with hydrogen.
CH2=CH2 +. H2 —> CH3– CH3
(unsaturated). (saturated)
Substitution reaction are the reactions in which one or more hydrogen atoms of a hydrocarbon are replaced by some other atoms .
Substitution reaction of Methane with Chlorine.
CH4 +Cl2 —> CH 3Cl. +. HCl
(methane). (Chloromethane)
CH2=CH2 +. H2 —> CH3– CH3
(unsaturated). (saturated)
Substitution reaction are the reactions in which one or more hydrogen atoms of a hydrocarbon are replaced by some other atoms .
Substitution reaction of Methane with Chlorine.
CH4 +Cl2 —> CH 3Cl. +. HCl
(methane). (Chloromethane)
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Reactions between unsaturated hydrocarbons with simple substances to form a single saturated product are addition reactions.
Those reactions in which one or more hydrogen of a saturated hydrocarbon is replaced by an atom or a group of atoms are ubstitution reactions.
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