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REGIONAL INSTITUTE OF EDUCATION Pursuing
Bachelor of Science (B.Sc.)
New AG Colony, Bhubaneswar, India - 751022
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Class Location
Online class via Zoom
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Years of Experience in Class 12 Tuition
4
Board
State, ISC/ICSE, CBSE
Subjects taught
Mathematics, Oriya, Hindi, Chemistry, Education, Physics
Taught in School or College
Yes
Answered on 09/10/2019 Learn CBSE - Class 11/Chemistry/The p-Block Elements/NCERT Solutions/Exercise 11
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The species, which have less than 8 electrons in the valence shell or the species, which have 8 valence electrons, but has empty d orbitals, so that the covalency can be spread beyond 4, are called as electron deficient species.
BCl3 is electron deficient compound because boron has only 6 valence electron and is short of 2 electrons. Therefore it can accept a pair of electrons from nucleophiles. SiCl4 is not electron deficient compound because silicon has 8 valence electrons. It cannot spread its covalency beyond 4 because silicon doesn’t have d- orbitals.
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Class Location
Online class via Zoom
Student's Home
Tutor's Home
Years of Experience in Class 12 Tuition
4
Board
State, ISC/ICSE, CBSE
Subjects taught
Mathematics, Oriya, Hindi, Chemistry, Education, Physics
Taught in School or College
Yes
Answered on 09/10/2019 Learn CBSE - Class 11/Chemistry/The p-Block Elements/NCERT Solutions/Exercise 11
Ask a Question
Post a Lesson
The species, which have less than 8 electrons in the valence shell or the species, which have 8 valence electrons, but has empty d orbitals, so that the covalency can be spread beyond 4, are called as electron deficient species.
BCl3 is electron deficient compound because boron has only 6 valence electron and is short of 2 electrons. Therefore it can accept a pair of electrons from nucleophiles. SiCl4 is not electron deficient compound because silicon has 8 valence electrons. It cannot spread its covalency beyond 4 because silicon doesn’t have d- orbitals.
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Bhubaneswar
