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H(2)C = O or CH(3)CN acts as a nucleophi...

`H_(2)C = O` or `CH_(3)CN` acts as a nucleophile as well as an electrophile. Explain

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Since both O and N are more electronegative than C, therefore, C carries a small +ve charge and, O and N carry a small -ve charge.
In other words, both act as an electrophile due to the presence of a partial +ve charge on C and act as a nucleophile due to the presence of a partial -ve charge on O or the N.
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