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Standard XII
Chemistry
Colour
Chloride of w...
Question
Chloride of which of the following element is coloured?
A
Ag
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B
Hg
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C
Zn
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D
Co
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Solution
The correct option is
D
Co
Chloride of Co element is coloured.
C
o
C
l
3
−
C
o
3
+
−
[
A
r
]
3
d
6
4
s
0
→
4 unpaired electrons. So, it will be coloured.
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