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Byju's Answer
Standard XII
Chemistry
Lewis Dot Structure
A valid Lewis...
Question
A valid Lewis structure cannot be drawn for which of the following compounds?
(
P
=
15
,
S
i
=
14
,
C
=
6
,
)
A
P
O
3
−
4
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B
S
i
F
4
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C
C
F
4
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D
C
H
4
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Solution
The correct option is
A
P
O
3
−
4
In a valid lewis structure, the central atom should have a complete octet i.e., follow the octet rule.
(
a
)
Central atom,
P
has 10 valence electrons.
(
b
)
Central atom,
S
i
has 8 valence electrons.
(
c
)
Central atom,
C
has 8 valence electrons.
(
d
)
Central atom,
C
has 8 valence electrons.
Hence,
P
O
3
−
4
violates the octet rule.
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