Homework Answers
For sp3 hybridisation,
Number of electron domain around central atom should be 3
XeCl4:
Xe has 8 valenece electrons.
4 are used to form 4 bonds.
Remaining 4 electrons are present as 2 lone pairs.
So, number of electron domain is 4+2 = 6
CBr4:
C has 4 valenece electrons.
4 are used to form 4 bonds.
So, number of electron domain is 4
This is sp3 hybridised
SF4:
S has 6 valenece electrons.
4 are used to form 4 bonds.
Remaining 2 electrons are present as 1 lone pairs.
So, number of electron domain is 4+1 = 5
C2H2:
C has 4 valenece electrons.
4 are used to form 4 bonds.
So, number of electron domain is 4
This is sp3 hybridised
Answer: C) 2
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