12th Chemistry Monthly Test - 3 ( Coordination Chemistry )

St. Britto Hr. Sec. School - Madurai

12th Chemistry Monthly Test - 3 ( Coordination Chemistry )-Aug 2020

Time : 2.30 Hours

Part - A

Generic 2 - Answer All Question

Give the geometry and magnetic character of [NiCI₄]^2-

What is Co-ordination number?

What is mer isomer?

Ni²⁺ is identified using alcoholic solution of dimethyl glyoxime. Write the structural formula for the rosy red precipitate of a complex formed in the reaction.

Arrange the following complex ions in the increasing order of crystal filed splitting energy (\({ \triangle }_{ 0 }\)) [CrCI₆]^3-, [Cr(CN)₆]^3-, [Cr(NH₃)₆]³⁺

Give the names of two complexes which are used in medicines.

Write the IUPAC name of the complex.

Calculate the Oxidation number of
(i) iron in [Fe(CN)₆]^4-.
(ii) Cobalt in [Co(NH₃)₅CI)]²⁺.

What are stereoisomers?

What is a central atom or ion?
Write a neutral molecule in which the central atom is Sp³ d² hybridised.

Draw the Cis and trans isomer of MA₂B₂ type

Define coordination number.
Name the following complex using IUPAC norms. [Co(en)₂ (ONO)CI]CI

What are ligands?

What is Co-ordination entity?

What are solvate isomers?

Part - B

Generic 3 - Answer All Question

Name some metal complexes, that are present in our biological system and their role in it.

Explain optical isomerism.

What is linkage isomerism? Explain with an example

What is stability constant?
ExplainBondingis metal carbonyls.

Give one test to differentiate [Co(NH₃)₅Cl]SO₄ and [Co(NH₃)₅SO₄]Cl.

Mohr's salt answers the presence of Fe²⁺, NH⁴⁺and SO₄^2- ions, whereas the potassium ferrithiocyanate will not answer Fe³⁺ and SCN ions give reason.

Aqueous copper sulphate solution (blue) gives
(i) a green precipitate with aqueous potassium fluoride.
(ii) a bright green solution with aqueous potassium chloride. Explain these experimental results.

What is \(\pi \) back bonding?

Write briefly about the applications of coordination compounds in volumetric analysis

Draw the structures of geometrical isomers of [Fe(NH₃)₂ (CN)₄]^-

Part - C

Generic 5 - Answer All Question

Give the IUPAC name for the following compounds.
(i) [Ag(NH₃)₂]CI
(ii) K₃[Fe(CN)₅NO]
(ill) [Cr(PPh₃)(CO)₃]
(iv) [Ag(NH₃)₂]⁺
(v) [FeF₆]^4-

What are the main assumptions of Valence Bond Theory? Explain.

Write the oxidation state, coordination number , nature of ligand, magnetic property and electronic configuration in octahedral crystal field for the complex K₄[Mn(CN)₆]

What is meant by stability of a co-ordination compound in solution? State the factors which govern stability of complexes.
On the basis of VB theory explain the nature of bonding in [CoC₂O4)₃]^3-

Indicate the types of isomerism exhibited by the following complexes and draw the structures for these isomers.
(i) K[Cr(H₂O)₂(C₂O₄)₂] (ii) [Co(en)₃]CI₃ (iii) [Co(NH₃)₅(NO₂)](NO₃)₂
(iv) [Pt (NH₃)(H₂O)CI₂]

Explain optical isomerism in coordination compounds with an example.

An atom crystallizes in fcc crystal lattice and has a density of 103 gcm⁻³ with unit cell edge length of 100pm. calculate the number of atoms present in 1 g of crystal.

Give the postulates and limitation of Werner's theory of co-ordination compounds.

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12th Chemistry Monthly Test - 3 ( Coordination Chemistry )

St. Britto Hr. Sec. School - Madurai

12th Chemistry Monthly Test - 3 ( Coordination Chemistry )-Aug 2020

Part - A

Generic 2 - Answer All Question

Give the geometry and magnetic character of [NiCI4]2-

What is Co-ordination number?

What is mer isomer?

Ni2+ is identified using alcoholic solution of dimethyl glyoxime. Write the structural formula for the rosy red precipitate of a complex formed in the reaction.

Arrange the following complex ions in the increasing order of crystal filed splitting energy (\({ \triangle }_{ 0 }\)) [CrCI6]3-, [Cr(CN)6]3-, [Cr(NH3)6]3+

Give the names of two complexes which are used in medicines.

Write the IUPAC name of the complex.

Calculate the Oxidation number of (i) iron in [Fe(CN)6]4-. (ii) Cobalt in [Co(NH3)5CI)]2+.

What are stereoisomers?

What is a central atom or ion?

Write a neutral molecule in which the central atom is Sp3 d2 hybridised.

Draw the Cis and trans isomer of MA2B2 type

Define coordination number.

Name the following complex using IUPAC norms. [Co(en)2 (ONO)CI]CI

What are ligands?

What is Co-ordination entity?

What are solvate isomers?

Part - B

Generic 3 - Answer All Question

Name some metal complexes, that are present in our biological system and their role in it.

Explain optical isomerism.

What is linkage isomerism? Explain with an example

What is stability constant?

ExplainBondingis metal carbonyls.

Give one test to differentiate [Co(NH3)5Cl]SO4 and [Co(NH3)5SO4]Cl.

Mohr's salt answers the presence of Fe2+, NH4+and SO42- ions, whereas the potassium ferrithiocyanate will not answer Fe3+ and SCN ions give reason.

Aqueous copper sulphate solution (blue) gives (i) a green precipitate with aqueous potassium fluoride. (ii) a bright green solution with aqueous potassium chloride. Explain these experimental results.

What is \(\pi \) back bonding?

Write briefly about the applications of coordination compounds in volumetric analysis

Draw the structures of geometrical isomers of [Fe(NH3)2 (CN)4]-

Part - C

Generic 5 - Answer All Question

Give the IUPAC name for the following compounds. (i) [Ag(NH3)2]CI (ii) K3[Fe(CN)5NO] (ill) [Cr(PPh3)(CO)3] (iv) [Ag(NH3)2]+ (v) [FeF6]4-

What are the main assumptions of Valence Bond Theory? Explain.

Write the oxidation state, coordination number , nature of ligand, magnetic property and electronic configuration in octahedral crystal field for the complex K4[Mn(CN)6]

What is meant by stability of a co-ordination compound in solution? State the factors which govern stability of complexes.

On the basis of VB theory explain the nature of bonding in [CoC2O4)3]3-

Indicate the types of isomerism exhibited by the following complexes and draw the structures for these isomers. (i) K[Cr(H2O)2 (C2O4)2] (ii) [Co(en)3]CI3 (iii) [Co(NH3)5(NO2)](NO3)2 (iv) [Pt (NH3)(H2O)CI2]

Explain optical isomerism in coordination compounds with an example.

An atom crystallizes in fcc crystal lattice and has a density of 103 gcm−3 with unit cell edge length of 100pm. calculate the number of atoms present in 1 g of crystal.

Give the postulates and limitation of Werner's theory of co-ordination compounds.

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Give the geometry and magnetic character of [NiCI₄]^2-

Ni²⁺ is identified using alcoholic solution of dimethyl glyoxime. Write the structural formula for the rosy red precipitate of a complex formed in the reaction.

Arrange the following complex ions in the increasing order of crystal filed splitting energy (\({ \triangle }_{ 0 }\)) [CrCI₆]^3-, [Cr(CN)₆]^3-, [Cr(NH₃)₆]³⁺

Calculate the Oxidation number of
(i) iron in [Fe(CN)₆]^4-.
(ii) Cobalt in [Co(NH₃)₅CI)]²⁺.

Write a neutral molecule in which the central atom is Sp³ d² hybridised.

Draw the Cis and trans isomer of MA₂B₂ type

Name the following complex using IUPAC norms. [Co(en)₂ (ONO)CI]CI

Give one test to differentiate [Co(NH₃)₅Cl]SO₄ and [Co(NH₃)₅SO₄]Cl.

Mohr's salt answers the presence of Fe²⁺, NH⁴⁺and SO₄^2- ions, whereas the potassium ferrithiocyanate will not answer Fe³⁺ and SCN ions give reason.

Aqueous copper sulphate solution (blue) gives
(i) a green precipitate with aqueous potassium fluoride.
(ii) a bright green solution with aqueous potassium chloride. Explain these experimental results.

Draw the structures of geometrical isomers of [Fe(NH₃)₂ (CN)₄]^-

Give the IUPAC name for the following compounds.
(i) [Ag(NH₃)₂]CI
(ii) K₃[Fe(CN)₅NO]
(ill) [Cr(PPh₃)(CO)₃]
(iv) [Ag(NH₃)₂]⁺
(v) [FeF₆]^4-

Write the oxidation state, coordination number , nature of ligand, magnetic property and electronic configuration in octahedral crystal field for the complex K₄[Mn(CN)₆]

On the basis of VB theory explain the nature of bonding in [CoC₂O4)₃]^3-

Indicate the types of isomerism exhibited by the following complexes and draw the structures for these isomers.
(i) K[Cr(H₂O)₂(C₂O₄)₂] (ii) [Co(en)₃]CI₃ (iii) [Co(NH₃)₅(NO₂)](NO₃)₂
(iv) [Pt (NH₃)(H₂O)CI₂]

An atom crystallizes in fcc crystal lattice and has a density of 103 gcm⁻³ with unit cell edge length of 100pm. calculate the number of atoms present in 1 g of crystal.