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Standard XII
Chemistry
Isobars and Isotopes
The effective...
Question
The effective atomic number of Hg(At. No. 80) in the complex
K
2
[
H
g
I
4
]
is
A
86
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B
84
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C
82
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D
88
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Solution
The correct option is
A
86
The complex ion is
[
H
g
I
4
]
2
−
and the metal ion is
H
g
2
+
∴
E.A.N = 80 - 2 + 4(2) = 86.
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