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Byju's Answer
Standard XII
Chemistry
Multi-Electron Configurations and Orbital Diagrams
K^+, #160; ...
Question
K
+
,
A
r
,
C
a
2
+
and
S
2
−
contains:
A
same electronic configuration and atomic volume
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B
different electronic configuration but same IP
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C
same electronic configuration but different atomic volume
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D
none of these
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Solution
The correct option is
A
same electronic configuration and atomic volume
Electronic configuration of: ,
K
+
is
2
,
8
,
8
A
r
is
2
,
8
,
8
C
a
+
2
is
2
,
8
,
8
S
2
−
is
2
,
8
,
8
Hence electronic configuration of all the four species is equal
Hence the the structure of the species remains the same which leads to the equal atomic volume.
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