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Byju's Answer
Standard XII
Chemistry
Crystal Field Split in Octahedral Complexes
When white pp...
Question
When white ppt. of
A
g
2
C
O
3
is dissolved in
N
H
3
solution, then compound X is formed.
Find the value of magnetic moment of X.
A
0
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B
2
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C
1
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D
3
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Solution
The correct option is
A
0
Reaction:
A
g
2
C
O
3
+
N
H
3
a
i
r
⇌
[
A
g
(
N
H
3
)
2
]
+
A
g
+
=
s
p
hybridization and linear geometry
Here Ag shows +1 oxidation state.
Thus it has
d
10
configuration so no unpaired d-electron and zero magnetic moments.
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0
Similar questions
Q.
When white ppt. of
A
g
2
C
O
3
is dissolved in
N
H
3
solution, then compound
X
is formed.
Predict the geometry of compound
X
.
Q.
When white ppt. of
A
g
2
C
O
3
is dissolved in
N
H
3
solution, then compound '
X
' is formed. How many d-orbitals are involved in hybridization of '
X
'?
Q.
A yellow solid known to be a single compound is completely insoluble in hot water but dissolves in hot
d
i
l
.
H
C
l
to give an orange solution. When this solution is cooled, a white crystalline ppt. is formed. This white ppt. redissolves on 'heating' the solution. The compound is :
Q.
(A) gives white ppt with
A
g
N
O
3
soluble in aq
N
H
3
. (A) gives green ppt (B) with NaOH but ppt dissolves to yellow solution (C) when heated with
H
2
O
2
. (C) gives yellow ppt (D) with
B
a
C
l
2
.
According to above experiment complete the matrix.
Q.
The aqueous solution of inorganic compound
(
X
)
yielded a white precipitate when treated with dilute
H
N
O
3
and
A
g
N
O
3
. Another sample of the solution of
(
X
)
when treated with
N
a
O
H
gave a white precipitate first which dissolved in excess of
N
a
O
H
yielding a colorless solution. When
H
2
S
gas was passed through that solution a white precipitate was obtained.
Identify the compound
(
X
)
and give the reactions.
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