1
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct order of ionic radius is
A
$$Ce > Sm > Tb > Lu$$
B
$$Lu > Tb > Sm > Ce$$
C
$$Tb > Lu > Sm > Ce$$
D
$$Sm > Tb > Lu > Ce$$
2
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
$$C{e^{ + 3}},\,\,L{a^{ + 3}},\,\,P{m^{ + 3}}\,\,$$ and $$Y{b^{ + 3}}\,\,$$ have ionic radial in the increasing order as
A
$$L{a^{ + 3}}\,\, < C{e^{ + 3}}\,\, < P{m^{ + 3}}\,\, < Y{b^{ + 3}}$$
B
$$Y{b^{ + 3}}\,\, < P{m^{ + 3}}\,\, < C{e^{ + 3}}\,<\,L{a^{ + 3}}$$
C
$$L{a^{ + 3}}\,\, = C{e^{ + 3}}\,\, < P{m^{ + 3}}\,\, < Y{b^{ + 3}}$$
D
$$Y{b^{ + 3}}\,\, < P{m^{ + 3}}\,\, < L{a^{ + 3}}\,\, < C{e^{ + 3}}$$
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