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Tardigrade
Question
Chemistry
Generally transition elements form coloured salts due to the presence of unpaired electrons. Which of the following compounds will be coloured in solid state?
Q. Generally transition elements form coloured salts due to the presence of unpaired electrons. Which of the following compounds will be coloured in solid state?
2190
228
The d-and f-Block Elements
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A
A
g
2
S
O
4
18%
B
C
u
F
2
77%
C
Z
n
F
2
7%
D
C
u
2
C
l
2
20%
Solution:
A
g
2
S
O
4
→
A
g
+
(
4
d
10
)
−
colourless
C
u
F
2
→
C
u
2
+
(
3
d
9
)
−
coloured
Z
n
F
2
→
Z
n
2
+
(
3
d
10
)
−
colourless
C
u
2
Cl
+
2
→
C
u
+
(
3
d
10
)
−
colourless