03. Hybridisation
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COORDINATION COMPOUNDS

274129 Among the complexes of $\mathrm{Ni}$ listed below, the following is the only correct statement.
I $\left[\mathrm{Ni}(\mathrm{CO})_{4}\right]$
II $\left[\mathbf{N i}(\mathrm{CN})_{4}\right]^{2-}$
III $\left[\mathrm{NiCl}_{4}\right]^{2-}$

1 All of them have tetrahedral geometry.
2 I and III are tetrahedral and II has square planar geometry.
3 I and II are tetrahedral and III is square planar.
4 All of them have square planar geometry.
COMEDK-2015
COORDINATION COMPOUNDS

274126 Match List-I with List-II
| | List-I
(Complex) | | List-II
(Hybridization) |
| :--- | :--- | :--- | :--- |
| A. | $\mathrm{Ni}(\mathrm{CO})_4$ | I. | $\mathrm{sp}^3$ |
| B. | $\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$ | II. | $\mathrm{sp}^3 \mathrm{~d}^2$ |
| C. | $\left[\mathrm{Co}(\mathrm{CN})_6\right]^{3-}$ | III. | $\mathrm{d}^2 \mathrm{sp}^3$ |
| D. | $\left[\mathrm{CoF}_6\right]^{3-}$ | IV. | $\mathrm{dsp}^2$ |
Choose the correct answer from the options given below:

1 A-IV, B-I, C-III, D-II
2 A-I, B-IV, C-III, D-II
3 A-I, B-IV, C-II, D-III
4 A-IV, B-I, C-II, D-III
JEE Main 28.07.2022
COORDINATION COMPOUNDS

274127 The hybridization of metals involved in the following complexes, respectively are $\left[\mathrm{Mn}(\mathrm{CN})_{6}\right]^{3-},\left[\mathrm{CoF}_{6}\right]^{3-}$

1 $\mathrm{sp}^{3} \mathrm{~d}^{2}, \mathrm{sp}^{3} \mathrm{~d}^{2}$
2 $\mathrm{sp}^{3} \mathrm{~d}^{2}, \mathrm{~d}^{2} \mathrm{sp}^{3}$
3 $\mathrm{d}^{2} \mathrm{sp}^{3}, \mathrm{~d}^{2} \mathrm{sp}^{3}$
4 $\mathrm{d}^{2} \mathrm{sp}^{3}, \mathrm{sp}^{3} \mathrm{~d}^{2}$
AP EAMCET-07.07.2022
COORDINATION COMPOUNDS

274128 Which of the following has square planar structure?

1 $\left[\mathrm{Ni}(\mathrm{CO})_{4}\right]$
2 $\left[\mathrm{NiCl}_{4}\right]^{2-}$
3 $\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{2-}$
4 $\left[\mathrm{Ni}\left(\mathrm{NH}_{3}\right)_{6}\right]^{2+}$
BITSAT-2017
COORDINATION COMPOUNDS

274131 The hybridisation of $\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{2-}$ and $\left[\mathrm{Ni}\left(\mathrm{NH}_{3}\right)_{6}\right]^{4+}$ ions are respectively.

1 $\mathrm{sp}^{3} \mathrm{~d}^{2}, \mathrm{sp}^{3}$
2 $\mathrm{dsp}^{2}, \mathrm{sp}^{3} \mathrm{~d}^{2}$
3 $\mathrm{dsp}^{2}, \mathrm{~d}^{2} \mathrm{sp}^{3}$
4 $\mathrm{d}^{2} \operatorname{spd}^{2}, \mathrm{sp}^{3}$
CG PET -2019
NEET DIGITAL LIBRARY
COORDINATION COMPOUNDS

274129 Among the complexes of $\mathrm{Ni}$ listed below, the following is the only correct statement.
I $\left[\mathrm{Ni}(\mathrm{CO})_{4}\right]$
II $\left[\mathbf{N i}(\mathrm{CN})_{4}\right]^{2-}$
III $\left[\mathrm{NiCl}_{4}\right]^{2-}$

1 All of them have tetrahedral geometry.
2 I and III are tetrahedral and II has square planar geometry.
3 I and II are tetrahedral and III is square planar.
4 All of them have square planar geometry.
COMEDK-2015
COORDINATION COMPOUNDS

274126 Match List-I with List-II
| | List-I
(Complex) | | List-II
(Hybridization) |
| :--- | :--- | :--- | :--- |
| A. | $\mathrm{Ni}(\mathrm{CO})_4$ | I. | $\mathrm{sp}^3$ |
| B. | $\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$ | II. | $\mathrm{sp}^3 \mathrm{~d}^2$ |
| C. | $\left[\mathrm{Co}(\mathrm{CN})_6\right]^{3-}$ | III. | $\mathrm{d}^2 \mathrm{sp}^3$ |
| D. | $\left[\mathrm{CoF}_6\right]^{3-}$ | IV. | $\mathrm{dsp}^2$ |
Choose the correct answer from the options given below:

1 A-IV, B-I, C-III, D-II
2 A-I, B-IV, C-III, D-II
3 A-I, B-IV, C-II, D-III
4 A-IV, B-I, C-II, D-III
JEE Main 28.07.2022
COORDINATION COMPOUNDS

274127 The hybridization of metals involved in the following complexes, respectively are $\left[\mathrm{Mn}(\mathrm{CN})_{6}\right]^{3-},\left[\mathrm{CoF}_{6}\right]^{3-}$

1 $\mathrm{sp}^{3} \mathrm{~d}^{2}, \mathrm{sp}^{3} \mathrm{~d}^{2}$
2 $\mathrm{sp}^{3} \mathrm{~d}^{2}, \mathrm{~d}^{2} \mathrm{sp}^{3}$
3 $\mathrm{d}^{2} \mathrm{sp}^{3}, \mathrm{~d}^{2} \mathrm{sp}^{3}$
4 $\mathrm{d}^{2} \mathrm{sp}^{3}, \mathrm{sp}^{3} \mathrm{~d}^{2}$
AP EAMCET-07.07.2022
COORDINATION COMPOUNDS

274128 Which of the following has square planar structure?

1 $\left[\mathrm{Ni}(\mathrm{CO})_{4}\right]$
2 $\left[\mathrm{NiCl}_{4}\right]^{2-}$
3 $\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{2-}$
4 $\left[\mathrm{Ni}\left(\mathrm{NH}_{3}\right)_{6}\right]^{2+}$
BITSAT-2017
COORDINATION COMPOUNDS

274131 The hybridisation of $\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{2-}$ and $\left[\mathrm{Ni}\left(\mathrm{NH}_{3}\right)_{6}\right]^{4+}$ ions are respectively.

1 $\mathrm{sp}^{3} \mathrm{~d}^{2}, \mathrm{sp}^{3}$
2 $\mathrm{dsp}^{2}, \mathrm{sp}^{3} \mathrm{~d}^{2}$
3 $\mathrm{dsp}^{2}, \mathrm{~d}^{2} \mathrm{sp}^{3}$
4 $\mathrm{d}^{2} \operatorname{spd}^{2}, \mathrm{sp}^{3}$
CG PET -2019
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COORDINATION COMPOUNDS

274129 Among the complexes of $\mathrm{Ni}$ listed below, the following is the only correct statement.
I $\left[\mathrm{Ni}(\mathrm{CO})_{4}\right]$
II $\left[\mathbf{N i}(\mathrm{CN})_{4}\right]^{2-}$
III $\left[\mathrm{NiCl}_{4}\right]^{2-}$

1 All of them have tetrahedral geometry.
2 I and III are tetrahedral and II has square planar geometry.
3 I and II are tetrahedral and III is square planar.
4 All of them have square planar geometry.
COMEDK-2015
COORDINATION COMPOUNDS

274126 Match List-I with List-II
| | List-I
(Complex) | | List-II
(Hybridization) |
| :--- | :--- | :--- | :--- |
| A. | $\mathrm{Ni}(\mathrm{CO})_4$ | I. | $\mathrm{sp}^3$ |
| B. | $\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$ | II. | $\mathrm{sp}^3 \mathrm{~d}^2$ |
| C. | $\left[\mathrm{Co}(\mathrm{CN})_6\right]^{3-}$ | III. | $\mathrm{d}^2 \mathrm{sp}^3$ |
| D. | $\left[\mathrm{CoF}_6\right]^{3-}$ | IV. | $\mathrm{dsp}^2$ |
Choose the correct answer from the options given below:

1 A-IV, B-I, C-III, D-II
2 A-I, B-IV, C-III, D-II
3 A-I, B-IV, C-II, D-III
4 A-IV, B-I, C-II, D-III
JEE Main 28.07.2022
COORDINATION COMPOUNDS

274127 The hybridization of metals involved in the following complexes, respectively are $\left[\mathrm{Mn}(\mathrm{CN})_{6}\right]^{3-},\left[\mathrm{CoF}_{6}\right]^{3-}$

1 $\mathrm{sp}^{3} \mathrm{~d}^{2}, \mathrm{sp}^{3} \mathrm{~d}^{2}$
2 $\mathrm{sp}^{3} \mathrm{~d}^{2}, \mathrm{~d}^{2} \mathrm{sp}^{3}$
3 $\mathrm{d}^{2} \mathrm{sp}^{3}, \mathrm{~d}^{2} \mathrm{sp}^{3}$
4 $\mathrm{d}^{2} \mathrm{sp}^{3}, \mathrm{sp}^{3} \mathrm{~d}^{2}$
AP EAMCET-07.07.2022
COORDINATION COMPOUNDS

274128 Which of the following has square planar structure?

1 $\left[\mathrm{Ni}(\mathrm{CO})_{4}\right]$
2 $\left[\mathrm{NiCl}_{4}\right]^{2-}$
3 $\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{2-}$
4 $\left[\mathrm{Ni}\left(\mathrm{NH}_{3}\right)_{6}\right]^{2+}$
BITSAT-2017
COORDINATION COMPOUNDS

274131 The hybridisation of $\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{2-}$ and $\left[\mathrm{Ni}\left(\mathrm{NH}_{3}\right)_{6}\right]^{4+}$ ions are respectively.

1 $\mathrm{sp}^{3} \mathrm{~d}^{2}, \mathrm{sp}^{3}$
2 $\mathrm{dsp}^{2}, \mathrm{sp}^{3} \mathrm{~d}^{2}$
3 $\mathrm{dsp}^{2}, \mathrm{~d}^{2} \mathrm{sp}^{3}$
4 $\mathrm{d}^{2} \operatorname{spd}^{2}, \mathrm{sp}^{3}$
CG PET -2019
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COORDINATION COMPOUNDS

274129 Among the complexes of $\mathrm{Ni}$ listed below, the following is the only correct statement.
I $\left[\mathrm{Ni}(\mathrm{CO})_{4}\right]$
II $\left[\mathbf{N i}(\mathrm{CN})_{4}\right]^{2-}$
III $\left[\mathrm{NiCl}_{4}\right]^{2-}$

1 All of them have tetrahedral geometry.
2 I and III are tetrahedral and II has square planar geometry.
3 I and II are tetrahedral and III is square planar.
4 All of them have square planar geometry.
COMEDK-2015
COORDINATION COMPOUNDS

274126 Match List-I with List-II
| | List-I
(Complex) | | List-II
(Hybridization) |
| :--- | :--- | :--- | :--- |
| A. | $\mathrm{Ni}(\mathrm{CO})_4$ | I. | $\mathrm{sp}^3$ |
| B. | $\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$ | II. | $\mathrm{sp}^3 \mathrm{~d}^2$ |
| C. | $\left[\mathrm{Co}(\mathrm{CN})_6\right]^{3-}$ | III. | $\mathrm{d}^2 \mathrm{sp}^3$ |
| D. | $\left[\mathrm{CoF}_6\right]^{3-}$ | IV. | $\mathrm{dsp}^2$ |
Choose the correct answer from the options given below:

1 A-IV, B-I, C-III, D-II
2 A-I, B-IV, C-III, D-II
3 A-I, B-IV, C-II, D-III
4 A-IV, B-I, C-II, D-III
JEE Main 28.07.2022
COORDINATION COMPOUNDS

274127 The hybridization of metals involved in the following complexes, respectively are $\left[\mathrm{Mn}(\mathrm{CN})_{6}\right]^{3-},\left[\mathrm{CoF}_{6}\right]^{3-}$

1 $\mathrm{sp}^{3} \mathrm{~d}^{2}, \mathrm{sp}^{3} \mathrm{~d}^{2}$
2 $\mathrm{sp}^{3} \mathrm{~d}^{2}, \mathrm{~d}^{2} \mathrm{sp}^{3}$
3 $\mathrm{d}^{2} \mathrm{sp}^{3}, \mathrm{~d}^{2} \mathrm{sp}^{3}$
4 $\mathrm{d}^{2} \mathrm{sp}^{3}, \mathrm{sp}^{3} \mathrm{~d}^{2}$
AP EAMCET-07.07.2022
COORDINATION COMPOUNDS

274128 Which of the following has square planar structure?

1 $\left[\mathrm{Ni}(\mathrm{CO})_{4}\right]$
2 $\left[\mathrm{NiCl}_{4}\right]^{2-}$
3 $\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{2-}$
4 $\left[\mathrm{Ni}\left(\mathrm{NH}_{3}\right)_{6}\right]^{2+}$
BITSAT-2017
COORDINATION COMPOUNDS

274131 The hybridisation of $\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{2-}$ and $\left[\mathrm{Ni}\left(\mathrm{NH}_{3}\right)_{6}\right]^{4+}$ ions are respectively.

1 $\mathrm{sp}^{3} \mathrm{~d}^{2}, \mathrm{sp}^{3}$
2 $\mathrm{dsp}^{2}, \mathrm{sp}^{3} \mathrm{~d}^{2}$
3 $\mathrm{dsp}^{2}, \mathrm{~d}^{2} \mathrm{sp}^{3}$
4 $\mathrm{d}^{2} \operatorname{spd}^{2}, \mathrm{sp}^{3}$
CG PET -2019
NEET DIGITAL LIBRARY
COORDINATION COMPOUNDS

274129 Among the complexes of $\mathrm{Ni}$ listed below, the following is the only correct statement.
I $\left[\mathrm{Ni}(\mathrm{CO})_{4}\right]$
II $\left[\mathbf{N i}(\mathrm{CN})_{4}\right]^{2-}$
III $\left[\mathrm{NiCl}_{4}\right]^{2-}$

1 All of them have tetrahedral geometry.
2 I and III are tetrahedral and II has square planar geometry.
3 I and II are tetrahedral and III is square planar.
4 All of them have square planar geometry.
COMEDK-2015
COORDINATION COMPOUNDS

274126 Match List-I with List-II
| | List-I
(Complex) | | List-II
(Hybridization) |
| :--- | :--- | :--- | :--- |
| A. | $\mathrm{Ni}(\mathrm{CO})_4$ | I. | $\mathrm{sp}^3$ |
| B. | $\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$ | II. | $\mathrm{sp}^3 \mathrm{~d}^2$ |
| C. | $\left[\mathrm{Co}(\mathrm{CN})_6\right]^{3-}$ | III. | $\mathrm{d}^2 \mathrm{sp}^3$ |
| D. | $\left[\mathrm{CoF}_6\right]^{3-}$ | IV. | $\mathrm{dsp}^2$ |
Choose the correct answer from the options given below:

1 A-IV, B-I, C-III, D-II
2 A-I, B-IV, C-III, D-II
3 A-I, B-IV, C-II, D-III
4 A-IV, B-I, C-II, D-III
JEE Main 28.07.2022
COORDINATION COMPOUNDS

274127 The hybridization of metals involved in the following complexes, respectively are $\left[\mathrm{Mn}(\mathrm{CN})_{6}\right]^{3-},\left[\mathrm{CoF}_{6}\right]^{3-}$

1 $\mathrm{sp}^{3} \mathrm{~d}^{2}, \mathrm{sp}^{3} \mathrm{~d}^{2}$
2 $\mathrm{sp}^{3} \mathrm{~d}^{2}, \mathrm{~d}^{2} \mathrm{sp}^{3}$
3 $\mathrm{d}^{2} \mathrm{sp}^{3}, \mathrm{~d}^{2} \mathrm{sp}^{3}$
4 $\mathrm{d}^{2} \mathrm{sp}^{3}, \mathrm{sp}^{3} \mathrm{~d}^{2}$
AP EAMCET-07.07.2022
COORDINATION COMPOUNDS

274128 Which of the following has square planar structure?

1 $\left[\mathrm{Ni}(\mathrm{CO})_{4}\right]$
2 $\left[\mathrm{NiCl}_{4}\right]^{2-}$
3 $\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{2-}$
4 $\left[\mathrm{Ni}\left(\mathrm{NH}_{3}\right)_{6}\right]^{2+}$
BITSAT-2017
COORDINATION COMPOUNDS

274131 The hybridisation of $\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{2-}$ and $\left[\mathrm{Ni}\left(\mathrm{NH}_{3}\right)_{6}\right]^{4+}$ ions are respectively.

1 $\mathrm{sp}^{3} \mathrm{~d}^{2}, \mathrm{sp}^{3}$
2 $\mathrm{dsp}^{2}, \mathrm{sp}^{3} \mathrm{~d}^{2}$
3 $\mathrm{dsp}^{2}, \mathrm{~d}^{2} \mathrm{sp}^{3}$
4 $\mathrm{d}^{2} \operatorname{spd}^{2}, \mathrm{sp}^{3}$
CG PET -2019