00. Isomerism of Coordination Compound
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COORDINATION COMPOUNDS

273805 $\mathrm{CuSO}_{4}$ reacts with $\mathrm{KCN}$ solution and forms

1 $\mathrm{K}_{3}\left[\mathrm{Cu}(\mathrm{CN})_{4}\right]$
2 $[\mathrm{Cu}(\mathrm{CN})]$
3 $\left[\mathrm{Cu}(\mathrm{CN})_{2}\right]$
4 $\mathrm{K}_{4}\left[\mathrm{Cu}(\mathrm{CN})_{6}\right]$
COMEDK-2020
COORDINATION COMPOUNDS

273808 Which of the following complex ion shows geometrical isomerism ?

1 $\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{4} \mathrm{C}_{2}\right]^{+}$
2 $\left[\mathrm{Pt}\left(\mathrm{NH}_{3}\right)_{3} \mathrm{C} \ell\right]^{+}$
3 $\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}$
4 $\left[\mathrm{Co}(\mathrm{CN})_{5}(\mathrm{NC})\right]^{3-}$
AP EAMCET (Engg.) 18.09.2020
COORDINATION COMPOUNDS

273821 How many geometrical isomers are possible with complexes of the type $\left[M(a b)_{3}\right]$ ?
9. $\left[\mathrm{Fe}\left(\mathrm{NO}_{2}\right)_{3} \mathrm{Cl}_{3}\right]$ and $\left[\mathrm{Fe}(\mathrm{O}-\mathrm{NO})_{3} \mathrm{Cl}_{3}\right]$ shows}

1 linkage isomerism
2 geometrical isomerism
3 optical isomerism
4 hydrate isomerism
Ans. (a)
Exp: (A) : $\left[\mathrm{Fe}\left(\mathrm{NO}_{2}\right)_{3} \mathrm{Cl}_{3}\right]$ and $\left.\left[\mathrm{Fe}(\mathrm{ONO})_{3}\right) \mathrm{Cl}_{3}\right]$ shows the linkage isomerism because it contains the $\mathrm{NO}_{2}$ ligands.
Karnataka CET-2018
COORDINATION COMPOUNDS

273824 The correct statement for the isomerism associated with the following complex ions is:
(A) \(\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_5 \mathrm{NH}_3\right]^{2+}\),
(B) \(\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_4\left(\mathrm{NH}_3\right)_2\right]^{2+}\) and
(C) \(\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_3\left(\mathrm{NH}_3\right)_3\right]^{2+}\) is:

1 (A) and (B) show only geometrical isomerism.
2 (A) and (B) show geometrical and optical isomerism.
3 (B) and (C) show geometrical and optical isomerism.
4 (B) and (C) show only geometrical isomerism.
AIIMS-27 May
NEET DIGITAL LIBRARY
COORDINATION COMPOUNDS

273805 $\mathrm{CuSO}_{4}$ reacts with $\mathrm{KCN}$ solution and forms

1 $\mathrm{K}_{3}\left[\mathrm{Cu}(\mathrm{CN})_{4}\right]$
2 $[\mathrm{Cu}(\mathrm{CN})]$
3 $\left[\mathrm{Cu}(\mathrm{CN})_{2}\right]$
4 $\mathrm{K}_{4}\left[\mathrm{Cu}(\mathrm{CN})_{6}\right]$
COMEDK-2020
COORDINATION COMPOUNDS

273808 Which of the following complex ion shows geometrical isomerism ?

1 $\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{4} \mathrm{C}_{2}\right]^{+}$
2 $\left[\mathrm{Pt}\left(\mathrm{NH}_{3}\right)_{3} \mathrm{C} \ell\right]^{+}$
3 $\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}$
4 $\left[\mathrm{Co}(\mathrm{CN})_{5}(\mathrm{NC})\right]^{3-}$
AP EAMCET (Engg.) 18.09.2020
COORDINATION COMPOUNDS

273821 How many geometrical isomers are possible with complexes of the type $\left[M(a b)_{3}\right]$ ?
9. $\left[\mathrm{Fe}\left(\mathrm{NO}_{2}\right)_{3} \mathrm{Cl}_{3}\right]$ and $\left[\mathrm{Fe}(\mathrm{O}-\mathrm{NO})_{3} \mathrm{Cl}_{3}\right]$ shows}

1 linkage isomerism
2 geometrical isomerism
3 optical isomerism
4 hydrate isomerism
Ans. (a)
Exp: (A) : $\left[\mathrm{Fe}\left(\mathrm{NO}_{2}\right)_{3} \mathrm{Cl}_{3}\right]$ and $\left.\left[\mathrm{Fe}(\mathrm{ONO})_{3}\right) \mathrm{Cl}_{3}\right]$ shows the linkage isomerism because it contains the $\mathrm{NO}_{2}$ ligands.
Karnataka CET-2018
COORDINATION COMPOUNDS

273824 The correct statement for the isomerism associated with the following complex ions is:
(A) \(\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_5 \mathrm{NH}_3\right]^{2+}\),
(B) \(\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_4\left(\mathrm{NH}_3\right)_2\right]^{2+}\) and
(C) \(\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_3\left(\mathrm{NH}_3\right)_3\right]^{2+}\) is:

1 (A) and (B) show only geometrical isomerism.
2 (A) and (B) show geometrical and optical isomerism.
3 (B) and (C) show geometrical and optical isomerism.
4 (B) and (C) show only geometrical isomerism.
AIIMS-27 May
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COORDINATION COMPOUNDS

273805 $\mathrm{CuSO}_{4}$ reacts with $\mathrm{KCN}$ solution and forms

1 $\mathrm{K}_{3}\left[\mathrm{Cu}(\mathrm{CN})_{4}\right]$
2 $[\mathrm{Cu}(\mathrm{CN})]$
3 $\left[\mathrm{Cu}(\mathrm{CN})_{2}\right]$
4 $\mathrm{K}_{4}\left[\mathrm{Cu}(\mathrm{CN})_{6}\right]$
COMEDK-2020
COORDINATION COMPOUNDS

273808 Which of the following complex ion shows geometrical isomerism ?

1 $\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{4} \mathrm{C}_{2}\right]^{+}$
2 $\left[\mathrm{Pt}\left(\mathrm{NH}_{3}\right)_{3} \mathrm{C} \ell\right]^{+}$
3 $\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}$
4 $\left[\mathrm{Co}(\mathrm{CN})_{5}(\mathrm{NC})\right]^{3-}$
AP EAMCET (Engg.) 18.09.2020
COORDINATION COMPOUNDS

273821 How many geometrical isomers are possible with complexes of the type $\left[M(a b)_{3}\right]$ ?
9. $\left[\mathrm{Fe}\left(\mathrm{NO}_{2}\right)_{3} \mathrm{Cl}_{3}\right]$ and $\left[\mathrm{Fe}(\mathrm{O}-\mathrm{NO})_{3} \mathrm{Cl}_{3}\right]$ shows}

1 linkage isomerism
2 geometrical isomerism
3 optical isomerism
4 hydrate isomerism
Ans. (a)
Exp: (A) : $\left[\mathrm{Fe}\left(\mathrm{NO}_{2}\right)_{3} \mathrm{Cl}_{3}\right]$ and $\left.\left[\mathrm{Fe}(\mathrm{ONO})_{3}\right) \mathrm{Cl}_{3}\right]$ shows the linkage isomerism because it contains the $\mathrm{NO}_{2}$ ligands.
Karnataka CET-2018
COORDINATION COMPOUNDS

273824 The correct statement for the isomerism associated with the following complex ions is:
(A) \(\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_5 \mathrm{NH}_3\right]^{2+}\),
(B) \(\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_4\left(\mathrm{NH}_3\right)_2\right]^{2+}\) and
(C) \(\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_3\left(\mathrm{NH}_3\right)_3\right]^{2+}\) is:

1 (A) and (B) show only geometrical isomerism.
2 (A) and (B) show geometrical and optical isomerism.
3 (B) and (C) show geometrical and optical isomerism.
4 (B) and (C) show only geometrical isomerism.
AIIMS-27 May
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COORDINATION COMPOUNDS

273805 $\mathrm{CuSO}_{4}$ reacts with $\mathrm{KCN}$ solution and forms

1 $\mathrm{K}_{3}\left[\mathrm{Cu}(\mathrm{CN})_{4}\right]$
2 $[\mathrm{Cu}(\mathrm{CN})]$
3 $\left[\mathrm{Cu}(\mathrm{CN})_{2}\right]$
4 $\mathrm{K}_{4}\left[\mathrm{Cu}(\mathrm{CN})_{6}\right]$
COMEDK-2020
COORDINATION COMPOUNDS

273808 Which of the following complex ion shows geometrical isomerism ?

1 $\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{4} \mathrm{C}_{2}\right]^{+}$
2 $\left[\mathrm{Pt}\left(\mathrm{NH}_{3}\right)_{3} \mathrm{C} \ell\right]^{+}$
3 $\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}$
4 $\left[\mathrm{Co}(\mathrm{CN})_{5}(\mathrm{NC})\right]^{3-}$
AP EAMCET (Engg.) 18.09.2020
COORDINATION COMPOUNDS

273821 How many geometrical isomers are possible with complexes of the type $\left[M(a b)_{3}\right]$ ?
9. $\left[\mathrm{Fe}\left(\mathrm{NO}_{2}\right)_{3} \mathrm{Cl}_{3}\right]$ and $\left[\mathrm{Fe}(\mathrm{O}-\mathrm{NO})_{3} \mathrm{Cl}_{3}\right]$ shows}

1 linkage isomerism
2 geometrical isomerism
3 optical isomerism
4 hydrate isomerism
Ans. (a)
Exp: (A) : $\left[\mathrm{Fe}\left(\mathrm{NO}_{2}\right)_{3} \mathrm{Cl}_{3}\right]$ and $\left.\left[\mathrm{Fe}(\mathrm{ONO})_{3}\right) \mathrm{Cl}_{3}\right]$ shows the linkage isomerism because it contains the $\mathrm{NO}_{2}$ ligands.
Karnataka CET-2018
COORDINATION COMPOUNDS

273824 The correct statement for the isomerism associated with the following complex ions is:
(A) \(\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_5 \mathrm{NH}_3\right]^{2+}\),
(B) \(\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_4\left(\mathrm{NH}_3\right)_2\right]^{2+}\) and
(C) \(\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_3\left(\mathrm{NH}_3\right)_3\right]^{2+}\) is:

1 (A) and (B) show only geometrical isomerism.
2 (A) and (B) show geometrical and optical isomerism.
3 (B) and (C) show geometrical and optical isomerism.
4 (B) and (C) show only geometrical isomerism.
AIIMS-27 May
NEET DIGITAL LIBRARY