Coordination Compounds

Class 12 · Chemistry · 34 Questions

5.1intermediate🔧 Apply3 marksShort Answer

Write the formulas for the following coordination compounds:

5.5advanced🔍 Analyze5 marksLong Answer

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.

5.7intermediate🔍 Analyze2 marksShort Answer

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

5.9beginner🔧 Apply1 markVery Short

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

5.1intermediate💡 Understand5 marksLong Answer

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

5.2intermediate🔍 Analyze2 marksShort Answer

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?

5.3intermediate💡 Understand5 marksLong Answer

Explain with two examples each of the following: coordination entity, ligand, coordination number, coordination polyhedron, homoleptic and heteroleptic.

5.5beginner🔧 Apply2 marksShort Answer

Specify the oxidation numbers of the metals in the following coordination entities:

5.6intermediate🔧 Apply3 marksShort Answer

Using IUPAC norms write the formulas for the following:

5.7intermediate🔧 Apply3 marksShort Answer

Using IUPAC norms write the systematic names of the following:

5.9intermediate🔧 Apply1 markVery Short

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

5.13intermediate🔍 Analyze2 marksShort Answer

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.

5.15advanced🔍 Analyze5 marksLong Answer

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

5.18intermediate💡 Understand2 marksShort Answer

What is crystal field splitting energy? How does the magnitude of Δo decide the actual configuration of d orbitals in a coordination entity?

5.21intermediate🔍 Analyze2 marksShort Answer

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

5.22intermediate💡 Understand5 marksLong Answer

Discuss the nature of bonding in metal carbonyls.

5.25intermediate🔍 Analyze2 marksShort Answer

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

5.27intermediate💡 Understand5 marksLong Answer

Discuss briefly giving an example in each case the role of coordination compounds in:

5.29intermediate🔍 Analyze1 markMCQ

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

5.30intermediate🔍 Analyze1 markMCQ

Amongst the following, the most stable complex is

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Class 12 Chemistry Chapter 5: Coordination Compounds — NCERT Questions & Answers