Subsitution Reaction of Carbon Compounds


 
 
Concept Explanation
 

Substitution Reaction of Carbon Compounds

Substitution Reactions:

The reactions in which a reagent replaces an atom or a group of atoms from the reactant (substrate) are called substitution reactions. These are generally shown by saturated compounds.

In case of alkanes their occur replacement of hydrogen with other atoms. Most of the saturated hydrocarbons are fairly inert and unreactive in the presence of most reagents. However, these reactions take place readily in the presence of sunlight e.g. In the presence of sunlight, chlorine is added to hydrocarbons at a rapid rate. In this reaction, Cl replaces H-atom one by one.

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Sample Questions
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Question : 1

Which of the following are correct :

(a) The reactions in which a reagent replaces an atom or a group of atoms from the reactant are called substitution reactions.

(b) Most of the saturated hydrocarbons are fairly inert and unreactive in the presence of most reagents.

(c) In case of alkanes their occur replacement of hydrogen with other atoms.

Right Option : D
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Question : 2

Complete the given equation :

CHCl_{3} + Cl_{2} rightarrow ? + HCl

Right Option : C
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Question : 3

In the presence of sunlight, when chlorine is added to hydrocarbons at a rapid rate in which, Cl replaces ____________________ one by one.

Right Option : A
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