Which of the following can act like an electrophile and also like a nucleophile ?
(A)SF4
(B)ICl3
(C)SO2
(D)All of these
Answers
Answered by
0
CH
3
NH
2
as a nucleophile: CH
3
NH
2
⟶CH
3
⊕
+NH
2
⊝
CH
3
NH
2
as an electrophile: CH
3
NH
2
⟶CH
3
NH
⊝
+H
⊕
The NH
2
⊝
acts as a nucleophile and H
+
acts as an electrophile.
In other compounds, Cl
−
,CN
−
and OH
−
acts as a nucleophile only and no elctrophile is present.
Answered by
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Option(B) ICl3 is the correct answer
Explanation:
A lone pair of electrons is a nucleophile that has a δ⁻ charge on the N atom.
A reactant that provides a pair of electrons to form a new covalent bond is a nucleophile.
(A) SF4 - It has see-saw molecular geometry with one pair of valence electrons. It forms a trigonal bipyramidal shape.
(B ) ICl3 - It is trigonal bipyramidal.
- It has a T-shaped molecular shape. It has three bond pairs and two lone pairs of electrons.
- Here the lone pairs of electrons will occupy the equatorial positions in order to achieve stability as well as to minimize bond pair – lone pair repulsions.
(C) SO2- It has a bent or V-shape molecule.
- Sulfur has sp2 hybridization with the formation of three hybrid orbitals.
(D) All of these
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