01. Nomenclature
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COORDINATION COMPOUNDS

273935 Identify the coordination compound, that has the lowest electrical conductance in the aqueous solution.

1 $\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right] \mathrm{Cl}_{2}$
2 $\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Cl}_{2}\right] \mathrm{Cl}$
3 $\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{3} \mathrm{Cl}_{3}\right]$
4 $\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{3}$
SRMJEEE-2013
COORDINATION COMPOUNDS

273877 Given below are two statements :
Statements I :The identification of $\mathrm{Ni}^{2+}$ is carried out by dimethyl glyoxime in the presence of $\mathrm{NH}_{4} \mathrm{OH}$.
Statements II :The dimethyl glyoxime is a bidentate neutral ligand.
In the light of the above statements, choose the correct answer from the options given below :

1 Both Statement I and Statement II are true.
2 Both Statement I and Statement II are false.
3 Statement I is true but Statement II is false.
4 Statement I is false but Statement II is true.
Shift-II]**
COORDINATION COMPOUNDS

273887 Complex $\mathrm{X}$ of composition $\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6} \mathrm{Cl}_{n}$ has a spin only magnetic moment of 3.83BM. It reacts with $\mathrm{AgNO}_{3}$ and shows geometrical isomerism. The IUPAC nomenclature of $X$ is

1 tetraaquadichlorido chromium (IV) chloride dihydrate
2 hexaaqua chromium (III) chloride
3 dichloridotetraaqua - chromium (IV) chloride dihydrate
4 tetraaquadichlorido - chromium (III) chloride dihydrate
JEE Main-2020
COORDINATION COMPOUNDS

273890 Give the IUPAC name of $\left[\mathrm{Pt}\left(\mathrm{NH}_{3}\right)_{4}\right]\left[\mathrm{PtCl}_{4}\right]$ is

1 tetraammine platinum - (0) tetrachlorido platinum (IV)
2 tetraammine palatinate - (II) tetrachlorido platinum (II)
3 tetraammine palatinate - (0) tetrachlorido platinum (IV)
4 tetraamine platinum - (II) tetrachlorido palatinate (II)
Karnataka CET-2020
COORDINATION COMPOUNDS

273898 The conductivity measurement of a coordination compound of cobalt (III) shows that it dissociates into 3 ions in solution. The compound is

1 $\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{3} \rightarrow\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}+3 \mathrm{Cl}^{-}$
$\mathrm{NO}$. of ions $=4$
2 $\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{SO}_{4}\right] \mathrm{Cl} \rightarrow\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right) \mathrm{SO}_{4}\right]^{+}+\mathrm{Cl}^{-}$
No. of ions $=2$
3 $\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right] \mathrm{SO}_{4} \rightarrow\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right) \mathrm{Cl}\right]^{2+}+\mathrm{SO}_{4}^{2+}$
No. of ions $=2$
4 $\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right] \mathrm{Cl}_{2} \rightarrow\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right]^{2+}+2 \mathrm{Cl}^{-}$
No. of ions $=3$
Hence, option (d)
Pentaaminechlorido cobalt (III) chloride on dissociation gives 3 ions in solution.
WB JEE-2019
NEET DIGITAL LIBRARY
COORDINATION COMPOUNDS

273935 Identify the coordination compound, that has the lowest electrical conductance in the aqueous solution.

1 $\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right] \mathrm{Cl}_{2}$
2 $\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Cl}_{2}\right] \mathrm{Cl}$
3 $\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{3} \mathrm{Cl}_{3}\right]$
4 $\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{3}$
SRMJEEE-2013
COORDINATION COMPOUNDS

273877 Given below are two statements :
Statements I :The identification of $\mathrm{Ni}^{2+}$ is carried out by dimethyl glyoxime in the presence of $\mathrm{NH}_{4} \mathrm{OH}$.
Statements II :The dimethyl glyoxime is a bidentate neutral ligand.
In the light of the above statements, choose the correct answer from the options given below :

1 Both Statement I and Statement II are true.
2 Both Statement I and Statement II are false.
3 Statement I is true but Statement II is false.
4 Statement I is false but Statement II is true.
Shift-II]**
COORDINATION COMPOUNDS

273887 Complex $\mathrm{X}$ of composition $\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6} \mathrm{Cl}_{n}$ has a spin only magnetic moment of 3.83BM. It reacts with $\mathrm{AgNO}_{3}$ and shows geometrical isomerism. The IUPAC nomenclature of $X$ is

1 tetraaquadichlorido chromium (IV) chloride dihydrate
2 hexaaqua chromium (III) chloride
3 dichloridotetraaqua - chromium (IV) chloride dihydrate
4 tetraaquadichlorido - chromium (III) chloride dihydrate
JEE Main-2020
COORDINATION COMPOUNDS

273890 Give the IUPAC name of $\left[\mathrm{Pt}\left(\mathrm{NH}_{3}\right)_{4}\right]\left[\mathrm{PtCl}_{4}\right]$ is

1 tetraammine platinum - (0) tetrachlorido platinum (IV)
2 tetraammine palatinate - (II) tetrachlorido platinum (II)
3 tetraammine palatinate - (0) tetrachlorido platinum (IV)
4 tetraamine platinum - (II) tetrachlorido palatinate (II)
Karnataka CET-2020
COORDINATION COMPOUNDS

273898 The conductivity measurement of a coordination compound of cobalt (III) shows that it dissociates into 3 ions in solution. The compound is

1 $\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{3} \rightarrow\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}+3 \mathrm{Cl}^{-}$
$\mathrm{NO}$. of ions $=4$
2 $\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{SO}_{4}\right] \mathrm{Cl} \rightarrow\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right) \mathrm{SO}_{4}\right]^{+}+\mathrm{Cl}^{-}$
No. of ions $=2$
3 $\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right] \mathrm{SO}_{4} \rightarrow\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right) \mathrm{Cl}\right]^{2+}+\mathrm{SO}_{4}^{2+}$
No. of ions $=2$
4 $\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right] \mathrm{Cl}_{2} \rightarrow\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right]^{2+}+2 \mathrm{Cl}^{-}$
No. of ions $=3$
Hence, option (d)
Pentaaminechlorido cobalt (III) chloride on dissociation gives 3 ions in solution.
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COORDINATION COMPOUNDS

273935 Identify the coordination compound, that has the lowest electrical conductance in the aqueous solution.

1 $\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right] \mathrm{Cl}_{2}$
2 $\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Cl}_{2}\right] \mathrm{Cl}$
3 $\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{3} \mathrm{Cl}_{3}\right]$
4 $\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{3}$
SRMJEEE-2013
COORDINATION COMPOUNDS

273877 Given below are two statements :
Statements I :The identification of $\mathrm{Ni}^{2+}$ is carried out by dimethyl glyoxime in the presence of $\mathrm{NH}_{4} \mathrm{OH}$.
Statements II :The dimethyl glyoxime is a bidentate neutral ligand.
In the light of the above statements, choose the correct answer from the options given below :

1 Both Statement I and Statement II are true.
2 Both Statement I and Statement II are false.
3 Statement I is true but Statement II is false.
4 Statement I is false but Statement II is true.
Shift-II]**
COORDINATION COMPOUNDS

273887 Complex $\mathrm{X}$ of composition $\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6} \mathrm{Cl}_{n}$ has a spin only magnetic moment of 3.83BM. It reacts with $\mathrm{AgNO}_{3}$ and shows geometrical isomerism. The IUPAC nomenclature of $X$ is

1 tetraaquadichlorido chromium (IV) chloride dihydrate
2 hexaaqua chromium (III) chloride
3 dichloridotetraaqua - chromium (IV) chloride dihydrate
4 tetraaquadichlorido - chromium (III) chloride dihydrate
JEE Main-2020
COORDINATION COMPOUNDS

273890 Give the IUPAC name of $\left[\mathrm{Pt}\left(\mathrm{NH}_{3}\right)_{4}\right]\left[\mathrm{PtCl}_{4}\right]$ is

1 tetraammine platinum - (0) tetrachlorido platinum (IV)
2 tetraammine palatinate - (II) tetrachlorido platinum (II)
3 tetraammine palatinate - (0) tetrachlorido platinum (IV)
4 tetraamine platinum - (II) tetrachlorido palatinate (II)
Karnataka CET-2020
COORDINATION COMPOUNDS

273898 The conductivity measurement of a coordination compound of cobalt (III) shows that it dissociates into 3 ions in solution. The compound is

1 $\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{3} \rightarrow\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}+3 \mathrm{Cl}^{-}$
$\mathrm{NO}$. of ions $=4$
2 $\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{SO}_{4}\right] \mathrm{Cl} \rightarrow\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right) \mathrm{SO}_{4}\right]^{+}+\mathrm{Cl}^{-}$
No. of ions $=2$
3 $\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right] \mathrm{SO}_{4} \rightarrow\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right) \mathrm{Cl}\right]^{2+}+\mathrm{SO}_{4}^{2+}$
No. of ions $=2$
4 $\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right] \mathrm{Cl}_{2} \rightarrow\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right]^{2+}+2 \mathrm{Cl}^{-}$
No. of ions $=3$
Hence, option (d)
Pentaaminechlorido cobalt (III) chloride on dissociation gives 3 ions in solution.
WB JEE-2019
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COORDINATION COMPOUNDS

273935 Identify the coordination compound, that has the lowest electrical conductance in the aqueous solution.

1 $\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right] \mathrm{Cl}_{2}$
2 $\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Cl}_{2}\right] \mathrm{Cl}$
3 $\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{3} \mathrm{Cl}_{3}\right]$
4 $\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{3}$
SRMJEEE-2013
COORDINATION COMPOUNDS

273877 Given below are two statements :
Statements I :The identification of $\mathrm{Ni}^{2+}$ is carried out by dimethyl glyoxime in the presence of $\mathrm{NH}_{4} \mathrm{OH}$.
Statements II :The dimethyl glyoxime is a bidentate neutral ligand.
In the light of the above statements, choose the correct answer from the options given below :

1 Both Statement I and Statement II are true.
2 Both Statement I and Statement II are false.
3 Statement I is true but Statement II is false.
4 Statement I is false but Statement II is true.
Shift-II]**
COORDINATION COMPOUNDS

273887 Complex $\mathrm{X}$ of composition $\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6} \mathrm{Cl}_{n}$ has a spin only magnetic moment of 3.83BM. It reacts with $\mathrm{AgNO}_{3}$ and shows geometrical isomerism. The IUPAC nomenclature of $X$ is

1 tetraaquadichlorido chromium (IV) chloride dihydrate
2 hexaaqua chromium (III) chloride
3 dichloridotetraaqua - chromium (IV) chloride dihydrate
4 tetraaquadichlorido - chromium (III) chloride dihydrate
JEE Main-2020
COORDINATION COMPOUNDS

273890 Give the IUPAC name of $\left[\mathrm{Pt}\left(\mathrm{NH}_{3}\right)_{4}\right]\left[\mathrm{PtCl}_{4}\right]$ is

1 tetraammine platinum - (0) tetrachlorido platinum (IV)
2 tetraammine palatinate - (II) tetrachlorido platinum (II)
3 tetraammine palatinate - (0) tetrachlorido platinum (IV)
4 tetraamine platinum - (II) tetrachlorido palatinate (II)
Karnataka CET-2020
COORDINATION COMPOUNDS

273898 The conductivity measurement of a coordination compound of cobalt (III) shows that it dissociates into 3 ions in solution. The compound is

1 $\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{3} \rightarrow\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}+3 \mathrm{Cl}^{-}$
$\mathrm{NO}$. of ions $=4$
2 $\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{SO}_{4}\right] \mathrm{Cl} \rightarrow\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right) \mathrm{SO}_{4}\right]^{+}+\mathrm{Cl}^{-}$
No. of ions $=2$
3 $\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right] \mathrm{SO}_{4} \rightarrow\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right) \mathrm{Cl}\right]^{2+}+\mathrm{SO}_{4}^{2+}$
No. of ions $=2$
4 $\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right] \mathrm{Cl}_{2} \rightarrow\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right]^{2+}+2 \mathrm{Cl}^{-}$
No. of ions $=3$
Hence, option (d)
Pentaaminechlorido cobalt (III) chloride on dissociation gives 3 ions in solution.
WB JEE-2019
NEET DIGITAL LIBRARY
COORDINATION COMPOUNDS

273935 Identify the coordination compound, that has the lowest electrical conductance in the aqueous solution.

1 $\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right] \mathrm{Cl}_{2}$
2 $\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Cl}_{2}\right] \mathrm{Cl}$
3 $\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{3} \mathrm{Cl}_{3}\right]$
4 $\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{3}$
SRMJEEE-2013
COORDINATION COMPOUNDS

273877 Given below are two statements :
Statements I :The identification of $\mathrm{Ni}^{2+}$ is carried out by dimethyl glyoxime in the presence of $\mathrm{NH}_{4} \mathrm{OH}$.
Statements II :The dimethyl glyoxime is a bidentate neutral ligand.
In the light of the above statements, choose the correct answer from the options given below :

1 Both Statement I and Statement II are true.
2 Both Statement I and Statement II are false.
3 Statement I is true but Statement II is false.
4 Statement I is false but Statement II is true.
Shift-II]**
COORDINATION COMPOUNDS

273887 Complex $\mathrm{X}$ of composition $\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6} \mathrm{Cl}_{n}$ has a spin only magnetic moment of 3.83BM. It reacts with $\mathrm{AgNO}_{3}$ and shows geometrical isomerism. The IUPAC nomenclature of $X$ is

1 tetraaquadichlorido chromium (IV) chloride dihydrate
2 hexaaqua chromium (III) chloride
3 dichloridotetraaqua - chromium (IV) chloride dihydrate
4 tetraaquadichlorido - chromium (III) chloride dihydrate
JEE Main-2020
COORDINATION COMPOUNDS

273890 Give the IUPAC name of $\left[\mathrm{Pt}\left(\mathrm{NH}_{3}\right)_{4}\right]\left[\mathrm{PtCl}_{4}\right]$ is

1 tetraammine platinum - (0) tetrachlorido platinum (IV)
2 tetraammine palatinate - (II) tetrachlorido platinum (II)
3 tetraammine palatinate - (0) tetrachlorido platinum (IV)
4 tetraamine platinum - (II) tetrachlorido palatinate (II)
Karnataka CET-2020
COORDINATION COMPOUNDS

273898 The conductivity measurement of a coordination compound of cobalt (III) shows that it dissociates into 3 ions in solution. The compound is

1 $\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{3} \rightarrow\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}+3 \mathrm{Cl}^{-}$
$\mathrm{NO}$. of ions $=4$
2 $\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{SO}_{4}\right] \mathrm{Cl} \rightarrow\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right) \mathrm{SO}_{4}\right]^{+}+\mathrm{Cl}^{-}$
No. of ions $=2$
3 $\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right] \mathrm{SO}_{4} \rightarrow\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right) \mathrm{Cl}\right]^{2+}+\mathrm{SO}_{4}^{2+}$
No. of ions $=2$
4 $\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right] \mathrm{Cl}_{2} \rightarrow\left[\mathrm{CO}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right]^{2+}+2 \mathrm{Cl}^{-}$
No. of ions $=3$
Hence, option (d)
Pentaaminechlorido cobalt (III) chloride on dissociation gives 3 ions in solution.
WB JEE-2019