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JEEMAIN and NEET
>>
Chemistry
>>
d-and-f-Block Elements
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Q)
Arrange La
3
+
, Pm
3
+
, Yb
3
+
and Ce
3
+
in order of increasing ionic radii
L
a
3
+
<
P
m
3
+
<
Y
b
3
+
<
C
e
3
+
P
m
3
+
<
L
a
3
+
<
Y
b
3
+
<
C
e
3
+
Y
b
3
+
<
P
m
3
+
<
C
e
3
+
<
L
a
3
+
Y
b
3
+
<
C
e
3
+
<
P
m
3
+
<
L
a
3
+
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