Class 11 Chemistry Organic Chemistry Attacking agents

Attacking agents

When the reaction occurs, attacking agent attacks and the product is formed.

 Type of attacking agents: They can be

  • Free radical : With unpaired electron
  • Nucleophile: With extra electrons. They also act as Lewis base and does Nucleus love. They are either:

Neutral with Lone pair: H2O , NH3 , NH2 , R – O – H , R – O - R

Negatively Charged: CN- , X- , OH-

  • Electrophile: With Positive charge has less electrons and act as Lewis acids. They are either :

Neutral: BF3 , BCl3 , AlCl3 etc .

Positively charged: NH4+ , NO2+ , H3 O+ etc .

Types of organic reactions

The organic reactions are of basic 4 types as explained:

  • Substitution reaction: A reaction is which atom or group of atoms are substituted by other atom.




  • Addition Reaction: In this multiple bond gets converted to single bond due to addition of some atoms.


  • Elimination reaction: It is the reaction in which a small molecule is released. It mostly occurs in presence of alcoholic KOH. It is of different types but most common type is Beta – elimination.


  • Rearrangement: In this the isomers are formed.


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