MCQ
Which of the following complex ions will have maximum paramagnetic property?
  • A
    $\left[ Cr \left( H _2 O \right)_6\right]^{3+}$
  • B
    $\left[ Fe ( CN )_6\right]^4$
  • $\left[ Fe \left( H _2 O \right)_6\right]^{2+}$
  • D
    $\left[ Zn \left( H _2 O \right)_6\right]^{2+}$

Answer

Correct option: C.
$\left[ Fe \left( H _2 O \right)_6\right]^{2+}$
c

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$\begin{matrix}
   C{{H}_{2}}-C{{H}_{2}}-C{{O}_{2}}H\xrightarrow[BaC{{O}_{3}}]{\Delta }A\xrightarrow{N{{H}_{2}}-N{{H}_{2}}}B\xrightarrow[KOH]{heat}(C),  \\
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