General Organic ChemistryHard

Question

Which of the following has the highest nucleophilicity ?

Options

A.F-
B.OH-
C.CH3-
D.NH2-

Solution

Nucleophilicity represents the capacity of a Nu>- to attack on electron deficient centre, when comparing the nucleophilicity of species in which attacking atom belongs to the same row of periodie table nucleopilicity is roughly in the order og their basicity and order of basic strength (nucleopilicity)
      
because corresponding acids follow the order of their acidic strength as :
       CH4 < NH3 O2H < HF
Note that the acidic character of hydrides in a period increases on moving from left to fight.

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