Recommended PYQs (STRICTLY NCERT Based) Coordination Compounds Chemistry (2022) NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Match the complexes from List-I with their corresponding type of isomerism from List-II:

	List-I (Complex)		List-II (Type of isomerism)
A.	$\mathrm{\left[{Co}\left({NH}_3\right)_5\left({NO}_2\right)\right] {Cl}_2}$	I.	Solvate isomerism
B.	$\mathrm{\left[{Co}\left({NH}_3\right)_5\left({SO}_4\right)\right] {Br}}$	II.	Linkage isomerism
C.	$\mathrm{\left[{Co}\left({NH}_3\right)_6\right]\left[{Cr}({CN})_6\right]}$	III.	Ionization isomerism
D.	$\mathrm{\left[{Co}\left({H}_2 {O}\right)_6\right] {Cl}_3}$	IV.	Coordination isomerism

Choose the correct from the options given below :
1.

A-I, B-III, C-IV, D-II

$\text { A-I, B-III, C-IV, D-II }$
2.

A-I, B-IV, C-III, D-II

$\text { A-I, B-IV, C-III, D-II }$
3.

A-II, B-IV, C-III, D-I

$\text { A-II, B-IV, C-III, D-I }$
4.

A-II, B-III,C-IV, D-I

$\text { A-II, B-III,C-IV, D-I }$

Subtopic: Isomerism in Coordination Compounds |

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Q2:

Given below are two statements :

Statement I :	Both $\left[\text{Co}\left(\text{NH}_3\right)_6\right]^{3+}$ and $\left[\text{CoF}_6\right]^{3-}$ Complexes are octahedral but differ in their magnetic behaviour.
Statement II :	$\left[\text{Co}\left(\text{NH}_3\right)_6\right]^{3+}$ is diamagnetic whereas $\left[\text{CoF}_6\right]^{3-}$ is paramagnetic.

In the light of the above statements, choose the correct answer from the options given below:
1. Both Statement I and Statement II are False.
2. Statement I is True and Statement II is False.
3. Statement I is False but Statement II is True.
4. Both Statement I and Statement II are True.

Subtopic: VBT, CFT & their Limitations |

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Q3:

Given below are two statements :

Statement I:	$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}$ is a homoleptic complex, whereas $[Co(NH_3)_4 Cl_2]^+$ is a heteroleptic complex.
Statement II:	Complex $[Co(NH_3)_6]^{3+}$ has only one kind of ligand but $[Co(NH_3)_4 Cl_2]^+$ has more than one kind of ligands.

In light of the above statements, choose the correct answer from the options given below:
1. Both Statement I and Statement II are False.
2. Statement I is True but Statement II is False.
3. Statement I is false but Statement II is True.
4. Both Statement I and Statement II are True.

Subtopic: Introduction, Classification and Nomenclature |

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Q4:

The correct 'spin only' magnetic moments of

[{CoF}_{6}]^{3 -}

$[\text{CoF}_6]^{3-}$ and

{[C o {(C_{2} O_{4})}_{3}]}^{3 -}

$\left[\mathrm{Co}\left(\mathrm{C}_2 \mathrm{O}_4\right)_3\right]^{3-}$ respectively, are:
1. 0 BM and 4.9 BM
2. 0 BM and 0 BM
3. 4.9 BM and 0 BM
4. 4.9 BM and 4.9 BM

Subtopic: VBT, CFT & their Limitations |

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Q5:

Match the complex ions in List-I with their corresponding hybridization in List-II.

	List -I (Complex ion)		List -II (Hybridisation)
A.	$[\mathrm{Ni}(\mathrm{CN})_4]^{2-}$	I.	$s p^3$
B.	$\mathrm{[CoF_6}]^{3-}$	II.	$d^2sp^3$
C.	$[\mathrm{Co}(\mathrm{C}_2 \mathrm{O}_4)_3 ]^{3-}$	III.	$s p^3d^2$
D.	$\mathrm{[NiCl_4}]^{2-}$	IV.	$dsp^2$

Choose the correct answer from the options given below:
1. A-IV, B-III, C-II, D-I
2. A-III, B-I, C-IV, D-II
3. A-I, B-II, C-III, D-IV
4. A-III, B-IV, C-II, D-I

Subtopic: VBT, CFT & their Limitations |

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Q6:

The crystal field stabilisation energy (CFSE) and the 'spin only' magnetic moment of

[F e F_{6}]^{3 -}

$\mathrm{[FeF_6]^{3-}}$ ion respectively, are:

1.

0 Δ and 5.9 BM

$0~\Delta~\text{and}~5.9~\text{BM}$
2.

0 Δ and 1.73 BM

$0~\Delta~\text{and}~1.73~\text{BM}$
3.

2.0 Δ and 5.9 BM

$2.0~\Delta~\text{and}~5.9~\text{BM}$
4.

2.0 Δ and 1.73 BM

$2.0~\Delta~\text{and}~1.73~\text{BM}$

Subtopic: VBT, CFT & their Limitations |

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Q7:

Ethylene diaminetetraacetate ion is a/an :

1.	Hexadentate ligand	2.	Ambidentate ligand
3.	Monodentate ligand	4.	Bidentate ligand

Subtopic: Ligands |

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Q8:

Which of the following is not an ambidentate ligand?
1.

C_{2} O_{4}^{2 -}

$\mathrm{C_2O^{2-}_4}$
2.

{S C N}^{-}

$\mathrm{SCN}^-$
3.

N O_{2}^{-}

$\mathrm{NO^{-}_2}$
4.

{C N}^{-}

$\mathrm{CN}^-$

Subtopic: Ligands |

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Q9:

Identify the structural features common to [Mn₂(CO)₁₀] and [Co₂(CO)₈]:
A. Presence of a metal-metal bond
B. Presence of terminal carbonyl groups
C. Presence of bridging carbonyl groups
D. Metals in the zero oxidation state
Choose the correct answer from the options given below:

1.	Only A, B and C	2.	Only B, C and D
3.	Only A, C and D	4.	Only A, B and D

Subtopic: Organometallic Complexes & their Uses |

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Q10:

Homoleptic complex from the following complexes is:

1. Triamminetriaquachromium (III)
2. Potassium trioxalatoaluminate (III)
3. Diamminechloridonitrito-N-platinum (II)
4. Pentaamminecarbonatocobalt (III) chloride

Subtopic: Introduction, Classification and Nomenclature |

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