Coordination Compounds - Inorganic Chemistry - Chemistry Previous Year Questions

Among the given complexes the possess " $\mathrm{CO}^{\prime \prime}$ as a bridged ligands are

I. $\left[\mathrm{Co}_2(\mathrm{CO})_8\right]$

II. $\left[\mathrm{Fe}_3(\mathrm{CO})_{12}\right]$

III. $\left[\mathrm{Mn}_2(\mathrm{CO})_{10}\right]$

IV. $\left[\mathrm{Fe}_2(\mathrm{CO})_9\right]$

The correct order of decreasing field strength of the below given ligands is

Identify the incorrect match from the following.

Identify the correct set for $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}$ ion.

(Hybridisation of $\mathrm{Co}^{3+}$, type of complex, number of unpaired electrons in the complex ion respectively.)

• According to Werner's theory, the number of groups bonded to the central metal atom/ion in a coordination complex represent.

The sum of oxidation state and co-ordination number of central metal atom is maximum with respect to which of the following complex?

$$\text { Match the following. }$$

$$\begin{array}{llll} \hline & \begin{array}{l} \text { List-I } \\ (\text { Complex }) \end{array} & & \begin{array}{l} \text { List-II } \\ \text { (Spin only magnetic } \\ \text { moment) } \end{array} \\ \hline \text { A. } & {\left[\mathrm{CoF}_6\right]^{3-}} & \text { I. } & 0 \\ \hline \text { B. } & {\left[\mathrm{Co}\left(\mathrm{C}_2 \mathrm{O}_4\right)_3\right]^{3-}} & \text { II. } & \sqrt{24} \\ \hline \text { C. } & {\left[\mathrm{FeF}_6\right]^{3-}} & \text { III. } & \sqrt{8} \\ \hline \text { D. } & {\left[\mathrm{Mn}(\mathrm{CN})_6\right]^{3-}} & \text { IV. } & \sqrt{35} \\ \hline & & \text { V. } & \sqrt{15} \\ \hline \end{array}$$

The correct answer is

The correct match for complex with its magnetic behaviour in the following is

Which of the following molecules is colourless?

$A^{2+}, B^{2+}$ and $C^{-}$form an ionic complex like $A_{x-2}\left[B(C)_x\right]_2$. If the complex is $75 \%$ dissociated in a solvent with $i=4$, the coordination number of $B$ is

A metal complex absorbed orange light. The colour in which it appears is

Secondary valences of the following complexes based on their reactions with excess $\mathrm{AgNO}_3$ are

$$\text { Match the following }$$

$$\text { The correct match }$$

The pair in which both the species have same magnetic moment (spin only) is