Isomerism in Coordination Compounds
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CHXII09:COORDINATION COMPOUNDS

322017 The total number of possible isomers of the complex compound \(\left[\mathrm{Ni}(\mathrm{CO})_{4}\right]\) is

1 3
2 6
3 5
4 0
CHXII09:COORDINATION COMPOUNDS

322018 Consider the following reaction and statements
\(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Br}_{2}\right]^{+}+\mathrm{Br}^{-}\)
\(\rightarrow\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{3} \mathrm{Br}_{3}\right]+\mathrm{NH}_{3}\)
(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 (I) and (III)
2 (III) and (IV)
3 (II) and (IV)
4 (I) and (II)
CHXII09:COORDINATION COMPOUNDS

322019 The number of isomers possible for square planar complex \(\mathrm{K}_{2}\left[\mathrm{PdClBr}_{2} \mathrm{SCN}\right]\) is

1 2
2 4
3 3
4 6
CHXII09:COORDINATION COMPOUNDS

322020 Which one of the following complexes will have six isomers?

1 \(\left[\mathrm{Co}(\mathrm{en})\left(\mathrm{NH}_{3}\right)_{2} \mathrm{Cl}_{2}\right] \mathrm{Cl}\)
2 \(\left[\mathrm{Co}(\text { en })_{2} \mathrm{Cl}_{2}\right] \mathrm{Br}\)
3 \(\left[\mathrm{Co}\left(\mathrm{PPh}_{3}\right)_{2}\left(\mathrm{NH}_{3}\right)_{2} \mathrm{Cl}_{2}\right] \mathrm{Cl}\)
4 \(\left[\mathrm{Co}(\text { en })_{3}\right] \mathrm{Cl}_{3}\)
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CHXII09:COORDINATION COMPOUNDS

322017 The total number of possible isomers of the complex compound \(\left[\mathrm{Ni}(\mathrm{CO})_{4}\right]\) is

1 3
2 6
3 5
4 0
CHXII09:COORDINATION COMPOUNDS

322018 Consider the following reaction and statements
\(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Br}_{2}\right]^{+}+\mathrm{Br}^{-}\)
\(\rightarrow\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{3} \mathrm{Br}_{3}\right]+\mathrm{NH}_{3}\)
(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 (I) and (III)
2 (III) and (IV)
3 (II) and (IV)
4 (I) and (II)
CHXII09:COORDINATION COMPOUNDS

322019 The number of isomers possible for square planar complex \(\mathrm{K}_{2}\left[\mathrm{PdClBr}_{2} \mathrm{SCN}\right]\) is

1 2
2 4
3 3
4 6
CHXII09:COORDINATION COMPOUNDS

322020 Which one of the following complexes will have six isomers?

1 \(\left[\mathrm{Co}(\mathrm{en})\left(\mathrm{NH}_{3}\right)_{2} \mathrm{Cl}_{2}\right] \mathrm{Cl}\)
2 \(\left[\mathrm{Co}(\text { en })_{2} \mathrm{Cl}_{2}\right] \mathrm{Br}\)
3 \(\left[\mathrm{Co}\left(\mathrm{PPh}_{3}\right)_{2}\left(\mathrm{NH}_{3}\right)_{2} \mathrm{Cl}_{2}\right] \mathrm{Cl}\)
4 \(\left[\mathrm{Co}(\text { en })_{3}\right] \mathrm{Cl}_{3}\)
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CHXII09:COORDINATION COMPOUNDS

322017 The total number of possible isomers of the complex compound \(\left[\mathrm{Ni}(\mathrm{CO})_{4}\right]\) is

1 3
2 6
3 5
4 0
CHXII09:COORDINATION COMPOUNDS

322018 Consider the following reaction and statements
\(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Br}_{2}\right]^{+}+\mathrm{Br}^{-}\)
\(\rightarrow\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{3} \mathrm{Br}_{3}\right]+\mathrm{NH}_{3}\)
(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 (I) and (III)
2 (III) and (IV)
3 (II) and (IV)
4 (I) and (II)
CHXII09:COORDINATION COMPOUNDS

322019 The number of isomers possible for square planar complex \(\mathrm{K}_{2}\left[\mathrm{PdClBr}_{2} \mathrm{SCN}\right]\) is

1 2
2 4
3 3
4 6
CHXII09:COORDINATION COMPOUNDS

322020 Which one of the following complexes will have six isomers?

1 \(\left[\mathrm{Co}(\mathrm{en})\left(\mathrm{NH}_{3}\right)_{2} \mathrm{Cl}_{2}\right] \mathrm{Cl}\)
2 \(\left[\mathrm{Co}(\text { en })_{2} \mathrm{Cl}_{2}\right] \mathrm{Br}\)
3 \(\left[\mathrm{Co}\left(\mathrm{PPh}_{3}\right)_{2}\left(\mathrm{NH}_{3}\right)_{2} \mathrm{Cl}_{2}\right] \mathrm{Cl}\)
4 \(\left[\mathrm{Co}(\text { en })_{3}\right] \mathrm{Cl}_{3}\)
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CHXII09:COORDINATION COMPOUNDS

322017 The total number of possible isomers of the complex compound \(\left[\mathrm{Ni}(\mathrm{CO})_{4}\right]\) is

1 3
2 6
3 5
4 0
CHXII09:COORDINATION COMPOUNDS

322018 Consider the following reaction and statements
\(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Br}_{2}\right]^{+}+\mathrm{Br}^{-}\)
\(\rightarrow\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{3} \mathrm{Br}_{3}\right]+\mathrm{NH}_{3}\)
(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 (I) and (III)
2 (III) and (IV)
3 (II) and (IV)
4 (I) and (II)
CHXII09:COORDINATION COMPOUNDS

322019 The number of isomers possible for square planar complex \(\mathrm{K}_{2}\left[\mathrm{PdClBr}_{2} \mathrm{SCN}\right]\) is

1 2
2 4
3 3
4 6
CHXII09:COORDINATION COMPOUNDS

322020 Which one of the following complexes will have six isomers?

1 \(\left[\mathrm{Co}(\mathrm{en})\left(\mathrm{NH}_{3}\right)_{2} \mathrm{Cl}_{2}\right] \mathrm{Cl}\)
2 \(\left[\mathrm{Co}(\text { en })_{2} \mathrm{Cl}_{2}\right] \mathrm{Br}\)
3 \(\left[\mathrm{Co}\left(\mathrm{PPh}_{3}\right)_{2}\left(\mathrm{NH}_{3}\right)_{2} \mathrm{Cl}_{2}\right] \mathrm{Cl}\)
4 \(\left[\mathrm{Co}(\text { en })_{3}\right] \mathrm{Cl}_{3}\)
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