Q.
The total number of electrophiles present in the following set is/are____ SnCl4,ZnCl2,NO2+,H3O+,NH4+,NF3,H2S,CH2=CH−C≡CH
197
149
Organic Chemistry – Some Basic Principles and Techniques
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Answer: 4
Solution:
Charged electrophile: NO2+
Neutral electrophiles: SnCl4,ZnCl2,NF3. H3O+,NH4+cannot act as electrophiles since they already have an octet of electrons in their respective valence shells.
Hence, they cannot accept a pair of electrons.
Nucleophiles: H2S,CH2=CH−C≡CH.