1.

Which of the following series contains electrophiles only ?

Answer»

`H_(2)O,BF_(3),NO_(2)^(+)`
`NH_(3),H_(2)O,Bl_(3)`
`AlCl_(3),BF_(3),Cl^(+)`
`ROH,NH_(3),NO_(3)`

Solution :Electrophile accepts a pair of electrons. Al atom in `AlCl_(3)` has hextet, Satom in `SO_(3)` is positively charged. DUE to more electronegativity of O-atom due to more electronegativty of O-atom than s, `Cl^(+)` ionn is +vely charged. Hence. These SPECIES ACCEPT apair of electrons.


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