Identify the reagents shown in bold in the following equations as nucleophiles or electrophiles:
(a) 
(b) 
(c) 
(i) Here, HO- acts as nucleophile as it is an electron rich species i.e., it is a nucleus seeking species.
(ii) Here, CN- acts as nucleophile as it is an electron rich species i.e., it is a nucleus seeking species.
(iii) Here, CH3C+Oacts as electrophile as it is an electron deficient species.
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