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Grade: 12

                        

what is the most suitable way of finding the basicity of amines when the medium is not given?

8 years ago

Answers : (1)

Suraj Prasad
IIT Patna
askIITians Faculty
286 Points
							When discussing nucleophilicity we’re specifically talking about donating a pair of electrons to an atom other than hydrogen (usually carbon). When a species is donating a pair of electrons to a hydrogen (more specifically, a proton, H+) we call it a base.

This post attempts to address one of the most vexing question to students of organic chemistry. What are the factors that make a good nucleophile?

For our purposes, there are at least four key factors contributing to nucleophilicity.

Charge
Electronegativity
Solvent
Steric hindrance
The first two should hopefully be familiar from the discussion of what makes something a strong base. After all, basicity and nucleophilicity essentially describe the same phenomenon, except basicity concerns donation of lone pairs to hydrogen, and nucleophilicity concerns donations of lone pairs to all other atoms.
5 years ago
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