Linkage Isomerism

Q.

Which kind of isomerism is exhibited by octahedral $\left[\mathrm{Co}{\left({\mathrm{NH}}_3\right)}_4{\mathrm{Br}}_2\right]\mathrm{Cl}$?

1. Geometrical isomerism

2. Optical and ionization isomerism

3. Geometrical and optical isomerism

4. Geometrical and ionization isomerism

Q.

Is glycinato a bidentate ligand?

Q.

Which of the following complexes show linkage isomerism?
(a) $\left[Co\right(N{H}_3{)}_5\left(N{O}_2\right){]}^{2+}$
(b) $\left[Co\right(H_{2}O{)}_{5}CO{]}^{3+}$
(c) $\left[Cr\right(N{H}_3{)}_5]SC{N}^{2+}$
(d) $\left[Fe\right(en{)}_{2}C{l}_2{]}^{+}$

Q. The complex ions $\left[Co\right(N{H}_3{)}_5\left(N{O}_2\right){]}^{2+}$ and $\left[Co\right(N{H}_3{)}_5\left(ONO\right){]}^{2+}$ are called

1. Ionization isomers
2. Linkage isomers
3. Coordination isomers
4. Geometrical isomers

Q. a. Write the IUPAC name of: $\left[Co\right(N{H}_3{)}_4\left(H_{2}O\right)Cl]C{l}_2$
b. Explain linkage isomerism with example.

Q. Which of the following pairs represents linkage isomers?

1. $\left[Cu\right(N{H}_3{)}_4\left]\right[PtC{l}_4]$ and $\left[Pt\right(N{H}_3{)}_4\left]\right[CuC{l}_4]$
2. $\left[PtC{l}_2\right(N{H}_3{)}_4]B{r}_2$ and $\left[PtB{r}_2\right(N{H}_3{)}_4]C{l}_2$
3. $\left[Co\right(N{H}_3{)}_{5}N{O}_3]S{O}_4$ and $\left[Co\right(N{H}_3{)}_{5}S{O}_4]N{O}_3$
4. $\left[Pd\right(PP{h}_3{)}_2\left(NCS{)}_2\right]$ and $\left[Pd\right(PP{h}_3{)}_2\left(SCN{)}_2\right]$

Q. What type of structural isomers are $\left[Co\right(N{H}_3{)}_{5}Br]S{O}_4$ and $\left[Co\right(N{H}_3{)}_{5}S{O}_4]Br$? Give a chemical test to distinguish the isomers?

Q. Which of the following isomers will give a white precipitate with $BaC{l}_2$ solution?

1. $\left[Co\right(N{H}_3{)}_{5}S{O}_4]Br$
2. $\left[Co\right(N{H}_3{)}_{5}Br]S{O}_4$
3. $\left[Co\right(N{H}_3{)}_4\left(S{O}_4{)}_2\right]Br$
4. $\left[Co\right(N{H}_3{)}_{4}Br\left(S{O}_4\right)]$

Q. Identify the type of Isomerism existing in between the following compounds.
$\left[Co\left(N{H}_3\right)sN{O}_2\right]$ and $\left[Co\left(N{H}_3\right)sON{O}_2\right]C{l}_2$

Q. Among the following complexes, geometrical isomerism is possible in

1. $\left[Co\right(N{H}_3{)}_6{]}^{3+}$
2. $\left[Co\right(H_{2}O{)}_6{]}^{3+}$
3. $\left[Cr\right(H_{2}O{)}_{4}C{l}_2{]}^{+}$
4. $\left[Co\right(CN{)}_{5}NC]$

Q. In which of the following set of compounds peroxy linkage are present.

1. $H_{2}S{O}_5,H_2{S}_2{O}_8,Cr{O}_5$
2. $N{a}_2{S}_2{O}_3,H_{2}S{O}_5,N{a}_2{S}_4{O}_6$
3. $N{a}_2{S}_4{O}_6,H_{2}S{O}_{35},N{H}_{4}N{O}_3$
4. $H_{2}S{O}_5,H_2{S}_2{O}_8,N{a}_2{S}_2{O}_3$

Q.

1. True
2. False

Q. The species in which the central atom uses $S{P}^2$ hybrid orbitals in its bonding is

1. 
2. 
3. 
4. 

Q.

Which is a polydentate ligand?

1. EDTA
2. Ethylene diamine
3. CO
4. Oxalate ion

Q. Due to the presence of nambidentate ligands coordination compounds show isomerism. Palladium complexes of the type $\left[Pd\right(C_6{H}_5{)}_2\left(N{O}_2{)}_2\right]$ and $\left[Pd\right(C_6{H}_5{)}_2\left(ONO{)}_2\right]$ are?

1. Linkage isomers
2. Ionisation isomers
3. Geometrical isomers
4. Coordination isomers

Q. Which of the following cannot show linkage isomerism?

1. $N{O}_2^{-}$
2. $N{H}_3$
3. $SC{N}^{-}$
4. $C{N}^{-}$

Q. Two isomers of $\left[Co\right(N{H}_3{)}_5\left(N{O}_2\right)]C{l}_2$ differ in colour because of difference in linkage of $N{O}_2$ that can show linkage-isomerism.
If true enter 1, else enter 0.

Q. Ambidentate ligands are:

1. $SC{N}^{-}$
2. $N{O}_2^{-}$
3. $C{N}^{-}$
4. all of these

Q. Which of the following complex ions can exhibit linkage isomerism?

1. $\left[Pt\right(en\left)C{l}_2\right)]$
2. $\left[Co\right(N{H}_3{)}_{5}N{O}_2{]}^{2+}$
3. $\left[Ag\right(N{H}_3{)}_2{]}^{+}$
4. $\left[Co\right(N{H}_3{)}_{5}Cl{]}^{2+}$

Q. Which of the following types of isomerism is shown by pentanone?

1. Chain isomerism
2. Position isomerism
3. Functional isomerism
4. All of these

Q. Which of the following pairs represents linkage isomers?

1. $\left[Pd\right(PP{h}_3{)}_2\left(NCS{)}_2\right]$ and $\left[Pd\right(PP{h}_3{)}_2\left(SCN{)}_2\right]$
2. $\left[Cu\right(N{H}_3{)}_4\left]\right[PtC{l}_4]$ and $\left[Pt\right(N{H}_3\left)\right]\left[CuC{l}_4\right]$
3. $\left[PtC{l}_2\right(N{H}_3{)}_4]B{r}_2$ and $\left[PtB{r}_2\right(N{H}_3{)}_4]C{l}_2$
4. $\left[CO\right(N{H}_3{)}_{5}N{O}_3]S{O}_4$ and $\left[CO\right(N{H}_3{)}_{5}S{O}_4]N{O}_3$

Q. The two compounds pantammine sulphato cobalt $\left(III\right)$ bromide and pantaammine sulphato cobalt $\left(III\right)$ chloride represent:

1. Ionization isomerism
2. Co-ordination isomerism
3. No isomerism
4. Linkage isomerism

Q. What type of isomerism is exhibited by the following pairs of compounds :
(i) $\left[Pt{Cl}_2{\left(N{H}_3\right)}_4\right]{Br}_2$ and $\left[Pt{Br}_2{\left(N{H}_3\right)}_4\right]{Cl}_2$
(ii) ${\left[Cr\left(SCN\right){\left(H_{2}O\right)}_5\right]}^{2+}$ and ${\left[Cr\left(NCS\right){\left(H_{2}O\right)}_5\right]}^{2+}$

Q. The ligand which can show linkage isomerism is:

1. $C{O}_3^{2-}$
2. $N{H}_3$
3. $C_2{O}_4^{2-}$
4. $C{N}^{-}$

Q. The existence of two different coloured complexes with the composition of $\left[Co\right(N{H}_3{)}_{4}C{l}_2]$ is due to:

1. linkage isomerism
2. geometrical isomerism
3. coordination isomerism
4. ionization isomerism

Q. Which of the following exhibits linkage isomerism?

1. $\left[Co\right(en{)}_3]C{l}_3$
2. $\left[Co\right(en{)}_{2}N{O}_{2}Cl]Br$
3. $\left[Co\right(N{H}_3{)}_6\left]\right[Cr\left(Cl{)}_6\right]$
4. $\left[Co\right(N{H}_3{)}_{5}Cl]B{r}_5$

Q. Express linkage isomerism in $\left[Co\right(N{H}_3{)}_{5}N{O}_2]C{l}_2$.

Q.

Following ligands can show linkage isomerism:

1. CNS

2. Nitro

3. CN

4. All of these

Q. The complex ions $\left[Co\right(N{H}_3{)}_{5}N{O}_2{]}^{2\oplus }$ and $\left[Co\right(N{H}_3{)}_{5}ONO{]}^{2\oplus }$ are called

1. ionization isomers
2. linkage isomers
3. coordination isomers
4. geometrical isomers

Q. The complex ion $\left[Co\right(H_{2}O{)}_5\left(ONO\right){]}^{2+}$ and $\left[Co\right(H_{2}O{)}_{5}N{O}_2{]}^{2+}$ are called :

1. linkage isomer
2. geometrical isomer
3. ionization isomer
4. co-ordination isomer