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Chapters
Chapter 2: Solutions
Chapter 3: Electrochemistry
Chapter 4: Chemical Kinetics
Chapter 5: Surface Chemistry
Chapter 6: General Principles and Processes of Isolation of Elements
Chapter 7: The p-block Elements
Chapter 8: The d-block and f-block Elements
Chapter 9: Coordinate Compounds
Chapter 10: Haloalkanes and Haloarenes
Chapter 11: Alcohols, Phenols and Ethers
Chapter 12: Aldehydes, Ketones and Carboxylic Acids
Chapter 13: Amines
Chapter 14: Biomolecules
Chapter 15: Polymers
Chapter 16: Chemistry in Everyday Life
Chapter 9: Coordinate Compounds
NCERT solutions for Class 12 Chemistry Chapter 9 Coordinate Compounds Intext Questions [Pages 244 - 256]
Write the formulas for the given coordination compounds:
Tetraamminediaquacobalt(III) chloride
Write the formulas for the given coordination compounds : Potassium tetracyanonickelate(II)
Write the formulas for the given coordination compounds:
Tris(ethane−1,2−diamine) chromium(III) chloride
Write the formulas for the given coordination compounds: Amminebromidochloridonitrito-N-platinate(II)
Write the formulas for the given coordination compounds:-
Dichloridobis(ethane−1,2−diamine)platinum(IV) nitrate
Write the formulas for the following coordination compounds:
Iron(III) hexacyanoferrate(II)
Write the IUPAC names of the following coordination compounds
[Co(NH3)6]Cl3
Write the IUPAC names of the following coordination compounds [Co(NH3)5Cl]Cl2
Write the IUPAC names of the following coordination compounds : K3[Fe(CN)6]
Write the IUPAC names of the following coordination compounds: K2[PdCl4]
Write the IUPAC names of the following coordination compounds
[Pt(NH3)2Cl(NH2CH3)]Cl
Indicate the types of isomerism exhibited by the following complexes and draw the structures for these isomers: K[Cr(H2O)2(C2O4)2
Indicate the types of isomerism exhibited by the following complexes and draw the structures for these isomers:
[Co(en)3]Cl3
Indicate the types of isomerism exhibited by the following complexes and draw the structures for these isomers:
[Co(NH3)5(NO2)](NO3)2
Indicate the types of isomerism exhibited by the following complexes and draw the structures for these isomers:[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?
[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.
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.
Calculate the overall complex dissociation equilibrium constant for the Cu(NH3)42+ ion, given that β4 for this complex is 2.1 × 1013.
NCERT solutions for Class 12 Chemistry Chapter 9 Coordinate Compounds Exercises [Pages 258 - 260]
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 CuSO4solution mixed with aqueous ammonia in 1:4 molar ratio does not give the test of Cu2+ ion. Explain why?
Explain with two examples each of the following: coordination entity, ligand, coordination number, coordination polyhedron, homoleptic and heteroleptic.
What is meant by unidentate, didentate and ambidentate ligands? Give two examples for each.
Specify the oxidation numbers of the metals in the following coordination entities: [Co(H2O)(CN)(en)2]2+
Specify the oxidation numbers of the metals in the following coordination entities: [CoBr2(en)2]+
Specify the oxidation numbers of the metals in the following coordination entities: [PtCl4]2−
Specify the oxidation numbers of the metals in the following coordination entities: K3[Fe(CN)6]
Specify the oxidation numbers of the metals in the following coordination entities: [Cr(NH3)3Cl3]
Using IUPAC norms write the formulas for following: Tetrahydroxozincate(II)
Using IUPAC norms write the formulas for the following: Potassium tetrachloridopalladate(II)
Using IUPAC norms write the formulas for the following: Diamminedichloridoplatinum(II)
Write the formula for the following complex:
Pentaamminenitrito-o-Cobalt (III).
Using IUPAC norms write the formulas for the following: Hexaamaminecobalt(III) sulphate
Using IUPAC norms write the formulas for the following: Potassium tri(oxalato)chromate(III)
Using IUPAC norms write the formulas for the following: Tetrabromidocuprate(II)
Using IUPAC norms write the systematic names of the following: [Co(NH3)6]Cl3
Using IUPAC norms write the systematic names of the following: [Pt(NH3)2Cl(NH2CH3)]Cl
Using IUPAC norms write the systematic names of the following: [Ti(H2O)6]3+
Using IUPAC norms write the systematic names of the following [Co(NH3)4Cl(NO2)]Cl
Using IUPAC norms write the systematic names of the following - [Mn(H2O)6]2+
Using IUPAC norms write the systematic names of the following - [NiCl4]2−
Using IUPAC norms write the systematic names of the following: [Ni(NH3)6]Cl2
Using IUPAC norms write the systematic names of the following [Co(en)3]3+
Using IUPAC norms write the systematic names 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 entities?
[Cr(C2O4)3]3−
How many geometrical isomers are possible in the following coordination entities
[Co(NH3)3Cl3]
Draw the structures of optical isomers of: [Cr(C2O4)3]3−
Draw the structures of optical isomers of: [PtCl2(en)2]2+
Draw the structures 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:
(i) a green precipitate with aqueous potassium fluoride, and
(ii) a bright green solution with aqueous potassium chloride
Explain these experimental results.
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 entities on the basis of valence bond theory:
[Fe(CN)6]4−
Discuss the nature of bonding in the following coordination entities on the basis of valence bond theory:
[FeF6]3−
Discuss the nature of bonding in the following coordination entities on the basis of valence bond theory:
[Co(C2O4)3]3−
Discuss the nature of bonding in the following coordination entities 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 spectrochemical series? Explain the difference between a weak field ligand and a strong field ligand.
What is crystal field splitting energy? How does the magnitude of Δo 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 complexes
K3[Co(C2O4)3]
Give the oxidation state, d-orbital occupation and coordination number of the central metal ion in the following complexes:
cis-[Cr(en)2Cl2]Cl
Give the oxidation state, d-orbital occupation and coordination number of the central metal ion in the following complexes:
(NH4)2[CoF4]
Give the oxidation state, d-orbital occupation and coordination number of the central metal ion in the following complexes:
[Mn(H2O)6]SO4
Write down the IUPAC name for each of the following complexes and indicate the oxidation state, electronic configuration and coordination number. Also give stereochemistry and magnetic moment of the complex:
K[Cr(H2O)2(C2O4)2].3H2O
Write down the IUPAC name for each of the following complexes and indicate the oxidation state, electronic configuration and coordination number. Also give stereochemistry and magnetic moment of the complex:
[Co(NH3)5Cl]Cl2
Write down the IUPAC name for each of the following complexes and indicate the oxidation state, electronic configuration and coordination number. Also give stereochemistry and magnetic moment of the complex:
CrCl3(py)3
Write down the IUPAC name for each of the following complexes and indicate the oxidation state, electronic configuration and coordination number. Also give stereochemistry and magnetic moment of the complex
Cs[FeCl4]
Write down the IUPAC name for each of the following complexes and indicate the oxidation state, electronic configuration and coordination number. Also give stereochemistry and magnetic moment of the complex:
K4[Mn(CN)6]
What is meant by stability of a coordination compound in solution? State the factors which govern stability of complexes.
What is meant by the chelate effect? Give an example.
Discuss briefly giving an example in each case the role of coordination compounds in:
(i) biological system
(ii) medicinal chemistry
(iii) analytical chemistry
(iv) extraction/metallurgy of metals
How many ions are produced from the complex Co(NH3)6Cl2 in solution?
(i) 6
(ii) 4
(iii) 3
(iv) 2
Amongst the following ions which one has the highest magnetic moment value?
(i) [Cr(H2O)6]3+
(ii) [Fe(H2O)6]2+
(iii) [Zn(H2O)6]2+
The oxidation number of cobalt in K[Co(CO)4] is
(i) +1
(ii) +3
(iii) −1
(iv) −3
Amongst the following, the most stable complex is
(i) [Fe(H2O)6]3+
(ii) [Fe(NH3)6]3+
(iii) [Fe(C2O4)3]3−
(iv) [FeCl6]3−
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+
Chapter 9: Coordinate Compounds
NCERT solutions for Class 12 Chemistry chapter 9 - Coordinate Compounds
NCERT solutions for Class 12 Chemistry chapter 9 (Coordinate Compounds) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CBSE Class 12 Chemistry solutions in a manner that help students grasp basic concepts better and faster.
Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.
Concepts covered in Class 12 Chemistry chapter 9 Coordinate Compounds are Introduction of Coordination Compounds, Definitions of Some Important Terms Pertaining to Coordination Compounds, Colour in Coordination Compounds, Magnetic Properties of Coordination Compounds, Nomenclature of Coordination Compounds - Naming of Mononuclear Coordination Compounds, Bonding in Coordination Compounds - Introduction, Werner’s Theory of Coordination Compounds, Valence Bond Theory (VBT), Crystal Field Theory (CFT), Stereoisomerism, Stability of Coordination Compounds, Importance and Applications of Coordination Compounds, Nomenclature of Coordination Compounds - Formulas of Mononuclear Coordination Entities, Isomerism in Coordination Compounds - Introduction, Structural Isomerism, Bonding in Metal Carbonyls, Coordination Compounds Numerical.
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