Coordination Compounds

Consider that the coordinating atoms of the ligands in cis- $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right] \mathrm{Cl}$ and mer- $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_3 \mathrm{Cl}_3\right]$ octahedral complexes ...

The total number of all possible isomers for the square planar complex with formula
$\mathrm{K[M(NCS)(NO_2)(gly)]}$ is ______.
($\mathrm{M} = \text{metal ion and } \mathrm{gly} = \mathrm{NH_2CH_2COO^-}$)

The sum of the spin only magnetic moment values (in B.M.) of $\left[\mathrm{Mn}(\mathrm{Br})_6\right]^{3-}$ and $\left[\mathrm{Mn}(\mathrm{CN})_6\right]^{3-}$ is _________.

The correct order of the wavelength maxima of the absorption band in the ultraviolet-visible region for the given complexes is

Among $\left[\mathrm{Co}(\mathrm{CN})_4\right]^{4-},\left[\mathrm{Co}(\mathrm{CO})_3(\mathrm{NO})\right], \mathrm{XeF}_4,\left[\mathrm{PCl}_4\right]^{+},\left[\mathrm{PdCl}_4\right]^{2-},\left[\mathrm{ICl}_4\right]^{-},\left[\mathrm{Cu}(\ma...

Among the following complexes, the total number of diamagnetic species is ___________.
$\left[\mathrm{Mn}\left(\mathrm{NH}_3\right)_6\right]^{3+},\left[\mathrm{MnCl}_6\right]^{3-},\left[\mathrm{FeF}_6\right]^{3-},\left[\mathrm{CoF}_6\right]...

Among $\mathrm{V}(\mathrm{CO})_6, \mathrm{Cr}(\mathrm{CO})_5, \mathrm{Cu}(\mathrm{CO})_3, \mathrm{Mn}(\mathrm{CO})_5, \mathrm{Fe}(\mathrm{CO})_5,\left[\mathrm{Co}(\mathrm{CO})_3\right]^{3-},\left[\mathrm{Cr}(\mathrm{CO})_4\right]^{4-}$, and...

Among the following options, select the option in which each complex in Set-I shows geometrical isomerism and the two complexes in Set-II are ionization isomers of each other.

$$ \text { [en }=\mathrm{H}_2 \mathrm{NCH}_2 \mathrm{CH}_2 \mat...

The complex(es), which can exhibit the type of isomerism shown by $\left[\operatorname{Pt}\left(\mathrm{NH}_3\right)_2 \mathrm{Br}_2\right]$, is(are) :
[en $=\mathrm{H}_2 \mathrm{NCH}_2 \mathrm{CH}_2 \mathrm{NH}_2$ ]

Match the electronic configurations in List-I with appropriate metal complex ions in List-II and choose the correct option.
[Atomic Number: $\mathrm{Fe}=26, \mathrm{Mn}=25, \mathrm{Co}=27$ ]
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LIST-I contains metal species and LIST-II contains their properties.

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The pair(s) of complexes wherein both exhibit tetrahedral geometry is(are)(Note : py = pyridine)Given : Atomic numbers of Fe, Co, Ni and Cu are 26, 27, 28 and 29, respectively)

The total number of possible isomers for [Pt(NH3)4Cl2]Br2 is ______.

The calculated spin only magnetic moments of [
Cr(NH3)6]3+ and [CuF6]3\(-\) in BM, respectively, are(Atomic numbers of Cr and Cu are 24 and 29, respectively)

In an experiment, m grams of a compound X (gas/liquid/solid) taken in a container is loaded in a balance as shown in figure I below.In the presence of a magnetic field, the pan with X is either deflected upwards (figure II), or deflected do...

Choose the correct statement(s) among the following :

Total number of \(cis\,N - Mn - Cl\) bond angles (that is \(Mn - N\) and \(Mn - Cl\) bonds in cis positions) present in a molecule of \(cis[Mn{(en)_2}C{l_2}]\) complex is ..................(en = NH2CH2CH2NH2)

Match each set of hybrid orbitals from LIST - A with complex(es) given in LIST - B

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The correct option(s) regarding the complex
\({\left[ {Co\left( {en} \right){{\left( {N{H_3}} \right)}_3}\left( {{H_2}O} \right)} \right]^{3 + }}\,\,\) \(\left( {en = {H_2}NC{H_2}C{H_2}N{H_2}} \right)\) is (are)

The correct statement(s) regarding the binary transition metal carbonyl compounds is(are) (Atomic numbers : \(Fe = 26,Ni = 28\))

The ammonia prepared by treating ammonium sulphate with calcium hydroxide is completely used by \(NiCl{}_2.6{H_2}O\) to form a stable coordination compound. Assume that both the reactions are \(100\%\) complete. If \(1584\) \(g\) of ammon...

The sum of the number of lone pairs of electrons on each central atom in the following species is
\({[TeB{r_6}]^{2 - }},{\left[ {Br{F_2}} \right]^ + },SNF_3,\) and \({\left[ {Xe{F_3}} \right]^ - }\)
(Atomic numbers: \(N = 7,F = 9,\) $$S =...

Addition of excess aqueous ammonia to a pink colored aqueous solution of \(MC{l_2},6{H_2}O\left( X \right)\) and \(N{H_4}Cl\) gives an octahedral complex \(Y\) in the presence of air. In aqueous solution, complex \(Y\) behaves as \(1:3\) ...

The geometries of the ammonia complexes of Ni2+, Pt2+ and Zn2+, respectively, are

The possible number of geometrical isomers for the complex [CoL2Cl2]-(L= H2NCH2CH2O-) is (are)...

Among [Ni(CO)4], [NiCl4]2\(-\), [Co(NH3)4)Cl2]Cl, Na3[CoF6], Na2O2 and CsO2, the total number of paramagnetic compound is

Among the complex ions, [Co(NH2-CH2-CH2-NH2)2Cl2]+, [CrCl2(C2O4)2]3\(-\), [Fe(H2O)4)OH)2]+, [Fe(NH3)2(CN)4]\(-\), [Co(NH2-CH2-CH2-NH2)2(NH3)Cl]2+ and [Co(NH3)4(H2O)Cl]2+, the number of complex ions that shows cis-trans isomerism is ________...

In the complex acetylbromidodicarbonylbis(triethylphosphine) iron(II), the number of Fe-C bond(s) is ___________.

For the octahedral complexes of Fe3+ in SCN\(-\) (thiocyana-to-S) and in CN\(-\) ligand environments, the difference between the spin-only magnetic moments in Bohr magnetons (when approximated to the nearest integer) is __________.
[Atomic ...

Match each coordination compound in List I with an appropriate pair of characteristics from List II and select the correct answer using the code given below the lists.
{en = H2NCH2CH2NH2; atomic numbers : Ti = 22, Cr = 24; Co = 27; Pt = 78}...

EDTA4\(-\) is ethylenediaminetetraacetate ion. The total number of N\(-\)Co\(-\)O bond angles in [Co(EDTA)]1\(-\) complex ion is ________.

The pair(s) of coordination complexes/ions exhibiting the same kind of isomerism is(are)

Consider the following complex ions : P, Q and R.
\(P = {[Fe{F_6}]^{3 - }}\), \(Q = {[V{({H_2}O)_6}]^{2 + }}\) and \(R = {[Fe{({H_2}O)_6}]^{2 + }}\)
The correct order of the complex ions, according to their spin-only magnetic moment values ...

\(NiC{l_2}{\{ P{({C_2}{H_5})_2}({C_6}{H_5})\} _2}\) exhibits temperature-dependent magnetic behaviour (paramagnetic/diamagnetic). The coordination geometries of Ni2+ in the paramagnetic and diamagnetic states are, respectively,

As per IUPAC nomenclature, the name of the complex \([Co{({H_2}O)_4}{(N{H_3})_2}]C{l_3}\) is

Among the following complexes (K-P),
K3[Fe(CN)6] (K), [Co(NH3)6]Cl3 (L), Na3[Co(oxalate)3] (M), [Ni(H2O)3]Cl2 (N), K2[Pt(CN)4] (O) and [Zn(H2O)6(NO3)2] (P)
The diamagnetic complexes are

Geometrical shapes of the complexes formed by the reaction of Ni2+ with Cl-, CN- and H2O respectively are

Total number of geometrical isomers for the complex $\left[\mathrm{RhCl}(\mathrm{CO})\left(\mathrm{PPh}_3\right)\left(\mathrm{NH}_3\right)\right]$ is ___________.

The complex showing a spin-only magnetic moment of 2.82 B.M. is :

The ionisation isomer of \(\mathrm{[Cr(H_2O)_4Cl(NO_2)]Cl}\) is

The correct structure of ethylenediaminetetraacetic acid (EDTA) is

The number of water molecule(s) directly bonded to the centre in CuSO\(_4\) . 5H\(_2\)O is __________.

The spin only magnetic moment value (in Bohr magneton units) of Cr(CO)\(_6\) is

The compound(s) that exhibit(s) geometrical isomerism is(are)

Statement 1 : The geometrical isomers of the complex [M(NH\(_3\))\(_4\)Cl\(_2\)] are optically inactive.
Statement 2 : Both geometrical isomers of the complex [M(NH\(_3\))\(_4\)Cl\(_2\)] possess axis of symmetry.

Statement 1 : [Fe(H\(_2\)O)\(_5\)NO]SO\(_4\) is paramagnetic.
Statement 2 : The Fe in [Fe(H\(_2\)O)\(_5\)NO]SO\(_4\) has three unpaired electrons.

The IUPAC name of [Ni(NH\(_3\))\(_4\)] [NiCl\(_4\)] is :

Both [Ni(CO)\(_4\)] and [Ni(CN)\(_4\)]\(^{2-}\) are diamagnetic. They hybridisations of nickel in these complexes, respectively, are :

Among the following, the coloured compound is :

Among the following metal carbonyl, the C-O bond order is lowest in