MCQ
Incorrect order of ionic size is
  • $La^{3+} > Gd^{3+} > Eu^{3+} > Lu^{3+}$
  • B
    $V^{2+} > V^{3+} > V^{4+} > V^{5+}­$
  • C
    $Tl^+ > In^+ > Sn^{2+} > Sb^{3+}$
  • D
    $K^+ > Sc^{3+} > V^{5+} > Mn^{7+}$

Answer

Correct option: A.
$La^{3+} > Gd^{3+} > Eu^{3+} > Lu^{3+}$
a
$(a)$ Correct order : $La^{3+} > Gd^{3+} > Eu^{3+} > Lu^{3+}$

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