Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour?

  • A
    $[Ni(NH_3)_6]^{2+}$
  • B
    $[Zn(NH_3)_6]^{2+}$
  • C
    $[Cr(NH_3)_6]^{3+}$
  • D
    $[Co(NH_3)_6]^{3+}$

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Similar Questions

Which of the following statements is incorrect?

Match the type of hybridization given in List-$I$ with the molecules/ions given in List-$II$.
List-$I$ List-$II$
$(1)$ $dsp^2$ $(A)$ $BrF_5$
$(2)$ $sp^3d^2$ $(B)$ $[Co(NH_3)_6]^{3+}$
$(3)$ $sp^3d$ $(C)$ $[PtCl_4]^{2-}$
$(4)$ $d^2sp^3$ $(D)$ $PCl_5$

Considering $H_2O$ as a weak field ligand,the number of unpaired electrons in $[Mn(H_2O)_6]^{2+}$ will be (Atomic number of $Mn = 25$).

The statements that are incorrect about the nickel$(II)$ complex of dimethylglyoxime are:
$A$. It is red in colour
$B$. It has a high solubility in water at $pH = 9$
$C$. The $Ni$ ion has two unpaired $d$-electrons
$D$. The $N - Ni - N$ bond angle is almost close to $90^{\circ}$
$E$. The complex contains four five-membered metallacycles (metal containing rings)
Choose the correct answer from the options given below:

Hybridization in $[Ni(CO)_4]$ and $[Ni(CN)_4]^{2-}$ are respectively . . . . . . .

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