Question

Write about types of nucleophilic subestitution reaction

Answer 1

1 )Nucleophile: An electron-rich species. This will most often be an atom or molecule with 1 or more lone pairs of electrons that it can share (donate) to form a single bond. The Nucleophile can be neutral or negatively charged.

Examples of Nucleophiles are as follows:

OH-     Cl-     H2O     NH3


Nucleophilic Substitution Reactions

Nucleophilic Substitution Reactions are a group of reactions that involve the interaction of a Nucleophile with an Electrophile. The electron-rich nucleophile seekes out (attacks) the electron-deficient electrophile. Before the reaction takes place, the electrophile contains an atom or group called the Leaving Group, because it ultimately detaches from the electrophile. This atom or group is the electronegative species mentioned above and is attached to the Electrophilic Carbon. During the reaction this Leaving Group is replaced (substituted) by the Nucleophile. The General Reaction is as follows:


A- is the Nucleophile and Q is the Leaving Group in this Image. This is a general image, and says nothing yet about mechanism. The arrangement of R groups is entirely irrelevant at this point. It simply represents the Substitution of a Nucleophile for the Leaving Group.

Answer 2

Explanation:

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