Isomerism in Coordination Compounds

Q.

1. Linkage isomerism

2. Hydrate isomerism

3. Optical isomerism

4. Geometric isomerism

Q. $\left[Co{\left(en\right)}_{2}N{O}_{2}Br\right]Cl$ can exhibit :

1. Geometrical isomerism
2. Optical isomerism
3. Linkage isomerism
4. Ionization isomerism

Q. The correct option(s) regarding the complex $\left[Co\right(en\left)\right(N{H}_3{)}_3\left(H_{2}O\right){]}^{3+}(en=H_{2}NC{H}_{2}C{H}_{2}N{H}_2)$ is (are)

1. It has two geometrical isomers
2. It will have three geometrical isomers if bidentate 'en' is replaced by two cyanide ligands
3. It is paramagnetic
4. It absorbs light at longer wavelength as compared to $\left[co\right(en\left)\right(N{H}_3{)}_4{]}^{3+}$

Q. Consider the following reaction and statements:
$\left[Co\right(N{H}_3{)}_{4}B{r}_2{]}^{+}\to \left[Co\right(N{H}_3{)}_{3}B{r}_3]+N{H}_3$

(I) Two isomers are produced if the reactant complex ion is a cis-isomer
(II) Two isomers are produced if the reactant complex ion is a trans-isomer
(III) Only one isomer is produced if the reactant complex ion is a trans-isomer
(IV) Only one isomer is produced if the reactant complex ion is a cis-isomer
The correct statements are:

1. (II) and (IV)
2. (I) and (II)
3. (I) and (III)
4. (III) and (IV)

Q. Which of the following options is true?

1. $\left[Cr\right(en{)}_3]C{l}_3$ is a chiral molecule
2. $\left[Pt\right(H_{2}O\left)\right(N{H}_3\left)\right(Br\left)\right(Cl\left)\right]$ is a chiral molecule
3. $cis-\left[Co\right(N{H}_3{)}_{4}B{r}_2]N{O}_3$ is a chiral molecule
4. $K_3\left[Cr\right(Br{)}_3\left(Cl{)}_3\right]$ is a chiral molecule

Q.

List various types of isomerism possible for coordination compounds, giving an example of each.

Q.

Due to the presence of ambidentate ligands coordination compounds show isomerism. Palladium complexes of the type $\left[Pd\right(C_6{H}_5{)}_2\left(SCN{)}_2\right]$ and $\left[Pd\right(C_6{H}_5{)}_2\left(NCS{)}_2\right]$ are
(a) linkage isomers
(b) coordination isomers
(c) ionisation isomers
(d) geometrical isomers

Q. Prussian blue is obtained by mixing together an aqueous solution of $F{e}^{3+}$ salt with:

1. Ferrocyanide
2. Ferricyanide
3. Hydrogen Cyanide
4. None of these

Q. An isomer of ethanol is:

1. methanol
2. dimethyl ether
3. acetone
4. diethyl ether

Q. Type of isomerism exists between the compounds is/are:

1. position
2. chain
3. both of the above
4. none of these