Coordination Compounds

What is the IUPAC ligand name for the $F^-$ ion?

Secondary valency in Werner's theory is satisfied by:

In Werner's theory, the primary valency is non-directional, whereas the secondary valency is:

What is the oxidation state of Silver ($Ag$) in the dicyanidoargentate(I) ion, $[Ag(CN)_2]^-$?

Which of the following ions is NOT present in the solution of Potassium trioxalatoferrate(III)?

Identify the coordination number of the central metal in $[Co(en)_{2}Cl_{2}]^{+}$?

The Effective Atomic Number of Platinum ($Z=78$) in $[Pt(NH_{3})_{6}]^{4+}$ is:

Which property is common to both double salts like Mohr's salt and coordination compounds like Potassium ferrocyanide in the solid state, but differs in aqueous solution?

In the coordination compound $Fe_4[Fe(CN)_6]_3$, what is the oxidation state of the Iron atom outside the coordination sphere and the Iron atom inside the coordination sphere respectively?

Calculate the number of $d$-electrons in the central metal of $[V(H_2O)_6]^{3+}$. (Atomic number of $V = 23$)

In the coordination compound $K_4[Fe(CN)_6]$, which ions represent the primary valency satisfaction for the iron?

What is the secondary valency of $Ni$ in $[Ni(NH_3)_6]Cl_2$?

According to Werner's theory, the primary valencies are satisfied by anions while secondary valencies are satisfied by:

Secondary valency is also known as:

How many moles of $AgCl$ will be precipitated when an excess of $AgNO_3$ is added to one mole of $[Cr(H_2O)_4Cl_2]Cl$?

According to Werner, if the secondary valency of a metal is 4, the possible spatial arrangements could be:

Which coordination compound among the following will have the minimum molar conductivity?

Based on Werner's coordination theory, which of the following represents the correct distribution of chlorine atoms for the complex $CrCl_3 \cdot 6H_2O$ which is violet in color and gives 3 moles of $AgCl$?

A complex $MCl_x \cdot yNH_3$ was synthesized. Conductivity measurements showed it was a 1:3 electrolyte. Titration with $AgNO_3$ showed that all chlorine was precipitated. If the coordination number of $M$ is 6, what are $x$ and $y$?

If the primary valency of a metal in $[M(NH_3)_5Cl]Cl_2$ is 3 and the secondary valency is 6, what happens to the primary and secondary valencies when the complex is dissolved in water?

In $[Fe(CN)_6]^{3-}$, how many cyanide ligands are attached to the Iron atom?

The bond between a ligand and a central metal atom is a:

What is the coordination number of Gold in $[AuCl_4]^-$?

Which of the following is a unidentate ligand?

Which of the following describes a polydentate ligand that can use different numbers of donor atoms to coordinate to a metal?

What is the coordination number of $Pd$ in $[Pd(NH_3)_2Cl_2]$?

The glycinate ion coordinates through which two specific atoms?

What is the denticity of the glycinate ion ($NH_2CH_2COO^-$) and which atoms act as donors?

Which of the following complex ions contains a metal with a coordination number of 5?

A polydentate ligand with 5 donor atoms is called:

What is the IUPAC name for $K_3[Fe(CN)_5(CO)]$?

The IUPAC name for the compound $[Fe(NH_3)_6]Cl_3$ is:

Identify the correct IUPAC name for $[PtCl_2(en)]$.

The IUPAC name of $Na[Ag(CN)_2]$ is:

Follow the naming sequence provided in the flowchart to determine the correct IUPAC name for the coordination compound $[Co(NH_3)_4Cl_2]NO_3$.

What is the IUPAC name of the coordination isomer $[Cr(NH_3)_6][Co(C_2O_4)_3]$?

Identify the IUPAC name for $[Pt(NH_3)_3Br]NO_2$.

What is the IUPAC name for the complex $[Co(NH_3)_5CO_3]Cl$?

Name the compound $[Co(NH_3)_4(H_2O)Cl]Cl_2$.

What is the IUPAC name for the coordination sphere $[Cr(en)_2Cl_2]^+$?

Which of the following octahedral complexes can exist as d- and l- forms?

Which type of isomerism is caused by the interchange of ligands between coordination spheres of different metals?

The number of geometrical isomers for an octahedral complex $[MA_6]$ is:

Geometrical isomerism is also known as:

In an octahedral complex $[M(AA)_3]$, where $AA$ is a symmetrical didentate ligand like ethane-1,2-diamine, the number of optical isomers is:

Which of the following is an example of solvate isomerism involving water?

An octahedral complex of type $[MA_3B_3]$ has how many total stereoisomers (geometrical + optical)?

The complex $[Co(NH_3)_4Cl_2]NO_2$ can show which types of isomerism?

An octahedral complex $[Ma_3b_2c]$ has how many geometrical isomers?

Identify the number of geometrical isomers for $[Pt(NH_3)(NH_2OH)(NO_2)(py)]^+$.

In $dsp^2$ hybridization, the $d$-orbital used is:

Which of the following is a limitation of Valence Bond Theory?

For a $d^6$ metal ion, which hybridization results in a diamagnetic octahedral complex?

What is the hybridization of the $Fe$ atom in $[Fe(CO)_5]$?

What is the number of unpaired electrons in the complex $[Fe(CN)_6]^{4-}$? (Atomic number of Fe = 26)

Identify the hybridization of $Pt$ in the square planar complex $[PtCl_4]^{2-}$. (Atomic number of Pt = 78)

In the $d^2sp^3$ hybridization, which shell do the $d$-orbitals belong to in relation to the $s$ and $p$ orbitals?

Based on VBT, which $d$-orbital remains unhybridized in $dsp^2$ hybridization?

The complex $[Ni(PPh_3)_2Cl_2]$ is paramagnetic. What is its geometry?

Calculate the magnetic moment of $[CoF_6]^{3-}$ and specify if it is an inner or outer orbital complex.

The CFSE for a $d^0$ ion in any crystal field is:

How many d-electrons does $Cu^{+}$ have?

In an octahedral field, if $\Delta_o > P$, the configuration for $d^6$ will be:

Which ligand is correctly placed in the spectrochemical series?

Which set of ligands is correctly ordered by increasing field strength according to the spectrochemical series?

In the context of CFT, what is the 'Barycenter'?

How many $t_{2g}$ electrons are present in $[Fe(H_2O)_6]^{3+}$? (Atomic number of $Fe = 26$)

The experimental hydration enthalpy ($-\Delta H_{hyd}$) for the $Cr^{2+}$ ($3d^4$) ion is found to be more exothermic than the interpolated value (the value predicted if $\Delta_o$ were zero) by exactly $100$ $kJ/mol$. This difference is attributed to the Crystal Field Stabilization Energy (CFSE). Assuming $Cr^{2+}$ forms a high-spin octahedral aqua-complex, calculate the magnitude of the Crystal Field Splitting Energy ($\Delta_o$) in $cm^{-1}$. (Given: $1$ $kJ/mol = 83.7$ $cm^{-1}$)

For a given metal ion, how does the $\Delta_o$ change as the oxidation state increases from $+2$ to $+3$?

Which electronic transition is responsible for the color of the $[Ti(H_2O)_6]^{3+}$ complex?

Which of the following ligands is expected to form the least stable complex with a typical transition metal ion?

How does Crystal Field Stabilization Energy (CFSE) generally affect the stability of a complex?

If we take the logarithm of the relationship between stepwise and overall constants, which equation is correct?

The complex formed between $Ni^{2+}$ and dimethylglyoxime (DMG) is highly stable. This stability is further reinforced by:

A complex has an overall stability constant $\beta_3 = 10^{18}$. What is the value of $pK_d$ (where $K_d$ is the dissociation constant)?

The use of $BAL$ (British Anti-Lewisite) as an antidote for heavy metal poisoning is based on:

For the complex $[CdI_4]^{2-}$, the overall stability constant $\beta_4$ is $10^6$. If the concentration of $I^-$ is doubled, the ratio $[CdI_4^{2-}]/[Cd^{2+}]$ will increase by a factor of:

Consider the stability of complexes with the ligands: $F^-$, $Cl^-$, $Br^-$, $I^-$. For a 'soft' metal ion like $Pt^{2+}$, the order of stability is:

Why does $Cu^{2+}$ show a remarkably high stability constant in the Irving-Williams series, often exceeding the general trend of increasing stability towards the right of the 3d series?

The overall stability constant $\beta$ for $[ML_4]$ is $10^{12}$. What is the average value of the stepwise stability constant ($K_{avg}$)?