Correct order of nucleophilicity
CH3– < NH2– < OH– < F–
F–< OH– < CH3– < NH2–
OH– < NH2– < F– < CH3–
F–< OH– < NH2– < CH3–
For same periods nucleophilicity Basic Strength. Thus if more E.N. atom consist –ve Charge than ↑ stability & basic strength ↓ There by nucleophilicity ↓.
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