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Question
Chemistry
The oxidation state (n) and coordination number (CN) of Al and number of valence electrons around Al ( N ) in Al 2 Cl 6 are respectively
Q. The oxidation state
(
n
)
and coordination number
(
CN
)
of
A
l
and number of valence electrons around
A
l
(
N
)
in
A
l
2
C
l
6
are respectively
1616
226
TS EAMCET 2019
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A
3,3,6
B
3,4,8
C
4,4,8
D
3,4,6
Solution:
Structure of
A
l
2
C
l
6
is
Therefore,
(i) Oxidation state
(
x
)
of '
A
l
' in
A
l
2
C
l
6
:=
2
x
−
6
=
0
or
x
=
(
+
)
3
(ii) Coordination number of
A
l
in
A
l
2
C
l
6
is four
(
4
)
, it is bonded to
4
chlorine atoms in
A
l
2
C
l
6
.
(iii) Number of valence electrons around
A
l
in
A
l
2
C
l
6
=
2
×
4
=
8
