1. Tardigrade
  2. Question
  3. Chemistry
  4. The total number of electrophiles present in the following set is/are. SnCl4,ZnCl2,NO2+,H3O+,NH4+,NF3,H2S, CH2=CH-C≡ CH

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Q. The total number of electrophiles present in the following set is/are_____.
$SnCl_{4},ZnCl_{2},NO_{2}^{+},H_{3}O^{+},NH_{4}^{+},NF_{3},H_{2}S,$ $CH_{2}=CH-C\equiv CH$

NTA AbhyasNTA Abhyas 2022

Solution:

Charged electrophile: $NO_{2}^{+}$
Neutral electrophiles: $SnCl_{4},ZnCl_{2},NF_{3}$ .
$H_{3}O^{+},NH_{4}^{+}$ 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: $H_{2}S,CH_{2}=CH-C\equiv CH$ .