Arrange the following in order of increasing molar conductivity
(i) Mg[Cr(NH₃)(Cl)₅]
(ii) Cr(NH₃)₅Cl]₃[CoF₆]₂
(iii) [Cr(NH₃)₃Cl₃]

Based on VB theory explain why [Cr(NH₃)₆]³⁺ is paramagnetic, while [Ni(CN)₄]^2- is diamagnetic.

Draw all possible geometrical isomers of the complex [Co(en)₂Cl₂]⁺ and identify the optically active isomer.

[Ti(H₂O)₆]³⁺ is coloured, while [Sc(H₂O)₆]³⁺ is colourless- explain.

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

What is the coordination number of central metal ion in [Fe(C₂O₄)₃]^3-?

Write the IUPAC name of [Ni(H₂O)₆] (CI)₂

Define 'Ligand' Give an example of nautral legand.

Write the IUPAC name of [Cu(NH₃)₄]SO₄

Give the chemical formula of potassium trioxalato ferrate(III}

Calculate the magnetic moment of [Fe(H₂O)₆]²⁺, if atomic number of Fe is 26.

How many geometrical isomers are possible in the following co-ordination entities?
(i) [Cr(C₂O₄)₃]^3-
(ii) [CO(NH₃)₃Cl₃]

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⁺

Name the following :
(i) Ring that is attached to Fe²⁺ in haemoglobin.
(ii) Vitamin B₁₂ is a co-ordination compound of this element.
(iii) Complex that is used in the hydrogenation of alkenes

What is Co-ordination entity?