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Categorize the following as nucleophile ...

Categorize the following as nucleophile and electrophile : a) `HS^-` b) `BF_3` c) `NO_2^+` d) `C_2H_5O` e) `(CH_3)_3N` f) `NH_2^-`

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V PUBLICATION-ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES-QUESTION BANK
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