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Byju's Answer
Standard XII
Chemistry
s and p Overlap
SF4,BF4-,ClF3...
Question
S
F
4
,
B
F
−
4
,
C
l
F
3
,
A
s
F
3
,
P
C
l
5
,
B
r
F
5
,
X
e
F
4
,
S
F
6
The number of species that have two lone pairs of electrons in their central atom is/are
A
2.0
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B
2
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C
2.00
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Solution
Species No. of lone pair of electron
present on central atom
S
F
4
1
B
F
−
4
0
C
l
F
3
2
A
s
F
3
1
P
C
l
5
0
B
r
F
5
1
X
e
F
4
2
S
F
6
0
C
l
F
3
has T-shape
X
e
F
4
has Square planar shape
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Similar questions
Q.
S
F
4
,
B
F
−
4
,
C
l
F
3
,
A
s
F
3
,
P
C
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5
,
B
r
F
5
,
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The number of species that have two lone pairs of electrons in their central atom is/are
(JEE (MAIN)-2021)
Q.
The number of species below that has two lone pairs of electrons in their central atom is______(Round off to the Nearest Integer.)
S
F
4
,
B
F
–
4
,
C
I
F
3
,
A
s
F
3
,
P
C
l
5
,
B
r
F
5
,
X
e
F
4
,
S
F
6
Q.
Number of lone pairs of electrons in the central atom of
S
C
l
2
,
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3
,
C
l
F
3
and
S
F
6
, respectively, are :
Q.
Consider the following molecules/ions:
(1)
S
F
4
(2)
C
F
4
(3)
X
e
F
4
(4)
B
F
4
−
Which pair doesnot contain lone pair of electrons around its central atom?
Q.
Amongst
S
F
4
,
X
e
F
4
,
C
F
4
and
H
2
O
, the number of species with two lone pair of electrons is _______
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