Co-ordination compounds practice · Mixed difficulty

The crystal field splitting energy for $\mathrm{Cr}^{+3}$ ion in an octahedral field increases for the ligands $\mathrm{I}^{-}, \mathrm{H}_2 \mathrm{O}, \mathrm{NH}_3$, $\mathrm{CN}^{-}$and the order is such that

A s- block element (M) reacts with oxygen to form an oxide of the formula $M{O_2}.$ The oxide is pale yellow in colour and paramagnetic. The element(M) is

Of the following complex ions, which is diamagnetic in nature?

Among the complex ions given below which is/are outer - orbital's complex

I) $\left[\mathrm{Co}(\mathrm{CN})_6\right]^{4-}$

II) $\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{+2}$

III) $\left[\mathrm{FeF}_6\right]^{3-}$

IV) $\left[\mathrm{CoF}_6\right]^{3-}$

Select the correct statement set?

A) Bis-(glycinato) Zinc (II) is optically active

B) $\left[{NiCl}_4\right]^{2-}$ and $\left[{PtCl}_4\right]^{2-}$ differ in shapes

C) $\left[{Ni}({CN})_4\right]^{2-}$ and $\left[{Ni}({CO})_4\right]$ have same magnetic moment

D) cis-$\left[{Co}\left({NH}_3\right)_2({en})_2\right]$ cannot show optical activity

The complexes $\left[{PtCl}_2\left({NH}_3\right)_4\right] {Br}_2$ and
$\left[{PtBr}_2\left({NH}_3\right)_4\right] {Cl}_2$ are examples for which type of isomerism

In $\left[ {\mathrm{Ni}{{\left( {\mathrm{N}{\mathrm{H}_3}} \right)}_4}} \right]\mathrm{S}{\mathrm{O}_4},$ the valency and coordination number of ${\mathrm{Ni}}$ will be respectively

Out of the following the metal which forms polynuclear carbonyl is:

Which of the following ions can exhibit optical isomerism-

The possible number of isomers for the complex $\left[ {\mathrm{MC}{\mathrm{l}_2}\mathrm{B}{\mathrm{r}_2}} \right]\mathrm{S}{\mathrm{O}_4}$ is:

Comment on the magnetic behavior of $\mathrm{K}_2\left[\mathrm{NiF}_6\right]$ and $\mathrm{K}_4\left[\mathrm{NiF}_6\right]$.

Specify the coordination number of the metal in $\left[{CoBr}_2(\text { en })_2\right]^{+}$

Maximum $\mathrm{C}-\mathrm{O}$ bond length present in:

S-I: ${K}_3\left[{Fe}({CN})_6\right]$ is a low spin complex.

S-II: ${Fe}^{3+}$ ion in this complex undergoes $s p^3 d^2$ hybridization.

Each metal possesses:

For the square planar complex $[M\mathrm{ }(a)(b)(c)(d)]$ (where , $M\mathrm{ } =$ central metal and $a,\mathrm{ }b,\mathrm{ }c,$ and $d$ are monodentate ligands), the number of possible geometrical isomers are

In $\mathrm{Cr}{\left( {\mathrm{N}{\mathrm{H}_3}} \right)_4}\mathrm{C}{\mathrm{l}_2}]\mathrm{Cl}$ the ligands are:

A spin only magnetic moment of $1.73 \mathrm{~BM}$ will be shown by which one among the following:

Assertion : Coordination number of Pt in Zeise's salt is 5.

Reason : ${{\text{C}}_{\text{2}}}{{\text{H}}_{\text{4}}}$ act as bidentate ligand

Which one is an outer orbital complex?

An octahedral complex with the formula $\mathrm{CoCl}_3 \mathrm{nNH}_3$ upon reaction with excess of $\mathrm{AgNO}_3$ solution given 2 moles of $\mathrm{AgCl}$. Consider the oxidation state of Co in the complex is ' $x$ '. The value of " $x+n$ " is ______.

Which of the following statements is true for the complexes: (I) $\left[\mathrm{CoF}_6\right]^{3-}$ and (II) $\left[\mathrm{NiF}_6\right]^{2-}$ ?

${\mathrm{K}_4}\left[ {\mathrm{Fe}{{\left( {\mathrm{CN}} \right)}_6}} \right]$ is used to detect the presence of:

Statement I: $\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{+3}$ is more acidic compared to $\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{+3}$

Statement II: Both are inner orbital complexes

IUPAC name of $\mathrm{N}{\mathrm{a}_3}\left[ {\mathrm{Co}{{\left( {\mathrm{N}{\mathrm{O}_2}} \right)}_6}} \right]$ is

In which year, IUPAC draft recommends that anionic ligands will end with-ido so that chloro would become chlorido?

Which possesses tetrahedral shape ($s{p^3} -$hybridization of central atom)?

Which of the following has maximum number of geometrical isomers?

To inhibit the growth of tumours, identify the compounds used from the following :

(A) EDTA

(B) Coordination Compounds of Pt

(C) D - Penicillamine

(D) Cis - Platin
Choose the correct answer from the option given below :

Select correct match :