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Byju's Answer
Standard X
Chemistry
Introduction to Organic Chemistry
In the follow...
Question
In the following statements, select the correct statement
:
A
N
(
C
H
3
)
3
has pyramidal structure.
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B
N
(
S
i
H
3
)
3
shows planar arrangement.
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C
SiC is highly volatile.
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D
S
i
O
2
is called silane.
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Solution
The correct options are
A
N
(
C
H
3
)
3
has pyramidal structure.
B
N
(
S
i
H
3
)
3
shows planar arrangement.
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Similar questions
Q.
Assertion :
N
(
C
H
3
)
3
is pyramidal but
N
(
S
i
H
3
)
3
is planar. Reason: In
N
(
C
H
3
)
3
, lone pair on
N
remains on it causing
l
p
−
b
p
repulsion while in
N
(
S
i
H
3
)
3
, lone pair is transferred to vacant
d
-orbital of
S
i
.
Q.
N
(
C
H
3
)
3
and
N
(
S
i
H
3
)
3
both have
s
p
3
−
hybridized
N
−
atom and Pyramidal structure.
Q.
Assertion :
N
(
C
H
3
)
3
is pyramidal but
N
(
S
i
H
3
)
3
is planar. Reason: In
N
(
S
i
H
3
)
3
lone-pair on
N
−
atom is transferred to the empty
d
−
orbitals of silicon
(
p
π
−
d
π
overlapping).
Q.
The structure and hybridization of
N
(
S
i
H
3
)
3
respectively are:
Q.
Structures of
N
(
C
H
3
)
3
and
N
(
S
i
H
3
)
3
are different. It is due to the fact that :
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