NCERT solutions for केमिस्ट्री पार्ट १ एण्ड २ [अंग्रेजी] कक्षा १२ chapter 5 - Coordinate Compounds [Latest edition]

Write the formula for the given coordination compound:

Tetraamminediaquacobalt (III) chloride

Write the formula for the given coordination compound:

Potassium tetracyanidonickelate (II)

Write the formula for the given coordination compound:

Tris(ethane−1, 2−diamine) chromium (III) chloride

Write the formula for the given coordination compound:

Amminebromidochloridonitrito-N-platinate (II)

Write the formula for the given coordination compound:

Dichloridobis(ethane−1, 2−diamine)platinum (IV) nitrate

Write the formula for the given coordination compound:

Iron (III) hexacyanoferrate (II)

Write the IUPAC name of the following coordination compound:

[Co(NH₃)₆]Cl₃

Write the IUPAC name of the following coordination compound:

[Co(NH₃)₅Cl]Cl₂

Write the IUPAC name of the following coordination compound:

K₃[Fe(CN)₆]

Write the IUPAC name of the K₃[Fe(C₂O₄)₃].

Write the IUPAC name of the following coordination compound:

 K₂[PdCl₄]

Write the IUPAC name of the following coordination compound:

[Pt(NH₃)₂Cl(NH₂CH₃)]Cl

Indicate the types of isomerism exhibited by the following complex and draw the structures for these isomers:

K[Cr(H₂O)₂(C₂O₄)₂]

Indicate the types of isomerism exhibited by the following complex and draw the structures for these isomers:

[Co(en)₃]Cl₃

Indicate the types of isomerism exhibited by the following complex and draw the structures for these isomers:

[Co(NH₃)₅(NO₂)](NO₃)₂

Indicate the types of isomerism exhibited by the following complex and draw the structure for this isomer:

[Pt(NH₃)(H₂O)Cl₂]

Give evidence that [Co(NH₃)₅Cl]SO₄ and [Co(NH₃)₅SO₄]Cl are ionization isomers.

Explain on the basis of valence bond theory that [Ni(CN)₄]²⁻ ion with square planar structure is diamagnetic and the [NiCl₄]²⁻ ion with tetrahedral geometry is paramagnetic.

[NiCl₄]²⁻ is paramagnetic, while [Ni(CO)₄] is diamagnetic, though both are tetrahedral. Why? (Atomic number of Ni = 28)

[Fe(H₂O)₆]³⁺ is strongly paramagnetic whereas [Fe(CN)₆]³⁻ is weakly paramagnetic. Explain.

Explain [Co(NH₃)₆]³⁺ is an inner orbital complex, whereas [Ni(NH₃)₆]²⁺ is an outer orbital complex.

[At. No.: Co = 27, Ni = 28]

Predict the number of unpaired electrons in the square planar [Pt(CN)₄]²⁻ ion.

The hexaquo manganese (II) ion contains five unpaired electrons, while the hexacyanoion contains only one unpaired electron. Explain using Crystal Field Theory.

Explain the bonding in coordination compounds in terms of Werner’s postulates.

FeSO₄ solution mixed with (NH₄)₂SO₄ solution in 1 : 1 molar ratio gives the test of Fe²⁺ ion but CuSO₄ solution mixed with aqueous ammonia in 1 : 4 molar ratio does not give the test of Cu²⁺ ion. Explain why?

Explain the following, giving two examples:

Coordination entity

Explain the ligand.

Explain the following, giving two examples:

Coordination number

Explain the following, giving two examples:

Coordination polyhedron

Explain the following, giving two examples: 

Homoleptic

Explain the following, giving two examples: 

Heteroleptic

What is meant by unidentate ligand?

Give two examples of unidentate ligands.

What is meant by didentate ligand?

Give two examples of didentate ligands.

What is meant by ambidentate ligand?

Give two examples of ambidentate ligands.

Specify the oxidation number of the metal in the following coordination entity:

[Co(H₂O)(CN)(en)₂]²⁺

Specify the oxidation number of the metal in the following coordination entity:

[CoBr₂(en)₂]⁺

Specify the oxidation number of the metal in the following coordination entity:

[PtCl₄]²⁻

Specify the oxidation number of the metal in the following coordination entity:

K₃[Fe(CN)₆]

Specify the oxidation number of the metal in the following coordination entity:

[Cr(NH₃)₃Cl₃]

Using IUPAC norms, write the formula for the following:

Tetrahydroxidozincate(II)

Using IUPAC norms, write the formula for the following:

Potassium tetrachloridopalladate(II)

Using IUPAC norms write the formula for the following:

Diamminedichloridoplatinum(II)

Using IUPAC norms, write the formula for the following: 

Potassium tetracyanidonickelate(II)

Write the formula for the following complex:

Pentaamminenitrito-O-Cobalt(III)

Using IUPAC norms, write the formula for the following: 

Hexaamminecobalt (III) sulphate

Using IUPAC norms, write the formula for the following:

Potassium tri(oxalato)chromate(III)

Using IUPAC norms, write the formula for the following:

Hexaammineplatinum(IV)

Using IUPAC norms, write the formula for the following:

Tetrabromidocuprate(II)

Using IUPAC norms, write the formula for the following:

Pentaamminenitrito-N-cobalt(III)

Write the IUPAC name of the following coordination compound:

[Co(NH₃)₆]Cl₃

Write the IUPAC name of the following coordination compound:

[Pt(NH₃)₂Cl(NH₂CH₃)]Cl

Using IUPAC norms, write the systematic name of the following:

[Ti(H₂O)₆]³⁺

Using IUPAC norms, write the systematic name of the following:

[Co(NH₃)₄Cl(NO₂)]Cl

Using IUPAC norms, write the systematic name of the following:

[Mn(H₂O)₆]²⁺

Using IUPAC norms, write the systematic name of the following:

[NiCl₄]²⁻

Using IUPAC norms, write the systematic name of the following:

[Ni(NH₃)₆]Cl₂

Using IUPAC norms, write the systematic name of the following:

[Co(en)₃]³⁺

Using IUPAC norms, write the systematic name of the following:

[Ni(CO)₄]

List various types of isomerism possible for coordination compounds, giving an example of each.

How many geometrical isomers are possible in the following coordination entity? 

[Cr(C₂O₄)₃]³⁻

How many geometrical isomers are possible in the following coordination entity? 

[Co(NH₃)₃Cl₃]

Draw the structure of optical isomers of [Cr(C₂O₄)₃]³⁻.

Draw the structure of optical isomers of [PtCl₂(en)₂]²⁺.

Draw the structure of optical isomers of [Cr(NH₃)₂Cl₂(en)]⁺.

Draw all the isomers (geometrical and optical) of [CoCl₂(en)₂]⁺.

Draw all the isomers (geometrical and optical) of [Co(NH₃)Cl(en)₂]²⁺.

Draw all the isomers (geometrical and optical) of [Co(NH₃)₂Cl₂(en)]⁺.

Write all the geometrical isomers of [Pt(NH₃)(Br)(Cl)(py)] and how many of these will exhibit optical isomers?

Aqueous copper sulphate solution (blue in colour) gives a green precipitate with aqueous potassium fluoride. Explain this experimental result.

Aqueous copper sulphate solution (blue in colour) gives a bright green solution with aqueous potassium chloride. Explain this experimental result.

What is the coordination entity formed when excess of aqueous KCN is added to an aqueous solution of copper sulphate? Why is it that no precipitate of copper sulphide is obtained when H₂S(g) is passed through this solution?

Discuss the nature of bonding in the following coordination entity on the basis of valence bond theory:

[Fe(CN)₆]⁴⁻

Discuss the nature of bonding in the following coordination entity on the basis of valence bond theory:

[FeF₆]³⁻

Discuss the nature of bonding in the following coordination entity on the basis of valence bond theory:

[Co(C₂O₄)₃]³⁻

Discuss the nature of bonding in the following coordination entity on the basis of valence bond theory:

[CoF₆]³⁻

Draw figure to show the splitting of d orbitals in an octahedral crystal field.

What is the spectrochemical series?

What is the difference between a weak field ligand and a strong field ligand?

What is crystal field splitting energy?

How does the magnitude of Δ₀ decide the actual configuration of d orbitals in a coordination entity?

[Cr(NH₃)₆]³⁺ is paramagnetic while [Ni(CN)₄]²⁻ is diamagnetic. Explain why?

A solution of [Ni(H₂O)₆]²⁺ is green but a solution of [Ni(CN)₄]²⁻ is colourless. Explain.

[Fe(CN)₆]⁴⁻ and [Fe(H₂O)₆]²⁺ are of different colours in dilute solutions. Why?

Discuss the nature of bonding in metal carbonyls.

Give the oxidation state, d-orbital occupation and coordination number of the central metal ion in the following complex:

K₃[Co(C₂O₄)₃]

Give the oxidation state, d-orbital occupation and coordination number of the central metal ion in the following complex:

cis-[CrCl₂(en)₂]Cl

Give the oxidation state, d-orbital occupation and coordination number of the central metal ion in the following complex:

(NH₄)₂[CoF₄]

Give the oxidation state, d-orbital occupation and coordination number of the central metal ion in the following complex:

[Mn(H₂O)₆]SO₄

Write down the IUPAC name of the following complex and indicate the oxidation state, electronic configuration and coordination number. Also, give the stereochemistry and magnetic moment of the complex:

K[Cr(H₂O)₂(C₂O₄)₂].3H₂O

Write down the IUPAC name of the following complex and indicate the oxidation state, electronic configuration and coordination number. Also, give the stereochemistry and magnetic moment of the complex:

[Co(NH₃)₅Cl]Cl₂

Write down the IUPAC name of the following complex and indicate the oxidation state, electronic configuration and coordination number. Also, give the stereochemistry and magnetic moment of the complex:

[CrCl₃(py)₃]

Write down the IUPAC name of the following complex and indicate the oxidation state, electronic configuration and coordination number. Also, give the stereochemistry and magnetic moment of the complex:

Cs[FeCl₄]

Write down the IUPAC name of the following complex and indicate the oxidation state, electronic configuration and coordination number. Also, give the stereochemistry and magnetic moment of the complex:

K₄[Mn(CN)₆]

Explain the violet colour of the complex [Ti(H₂O)₆]³⁺ on the basis of crystal field theory.

What is meant by the chelate effect?

Give an example of chelate effect.

Discuss briefly, giving an example of the role of coordination compounds in biological systems.

Discuss briefly, giving an example of the role of coordination compounds in medicinal chemistry.

Discuss briefly, giving an example of the role of coordination compounds in analytical chemistry.

Discuss briefly, giving an example of the role of coordination compounds in extraction/metallurgy of metals.

How many ions are produced from the complex Co(NH₃)₆Cl₂ in solution?

Amongst the following ions, which one has the highest magnetic moment value?

Amongst the following, the most stable complex is:

What will be the correct order for the wavelengths of absorption in the visible region for the following?

[Ni(NO₂)₆]⁴⁻, [Ni(NH₃)₆]²⁺, [Ni(H₂O)₆]²⁺