Determine the coordination number and the oxidation state of the transition metal ion in each of the following complex:
(a) [Co(NH₃)₆]³⁺ (b) [CuCl₄]^2-, (c) [Cu(NH₃)₄]Cl₂, (d) K₂[PtCl₆]

Give the reaction involved and the reagents used for the commercial preparation of pyrrole

What is the general pattern of electronic configuration of the lanthanoids? Give the three exceptions to this.

 In [Cu(H₂O)₆]²⁺ the observed magnetic moment is higher than the spin-only value. Explain the reason for this in the space provided below.

Is napthalene an aromatic compound? Explain.

Give the name and symbols for the elements that have the following valence configurations.

i) 4s¹3d⁵ ii) 5s²4d⁵ iii) 5s²4d¹⁰ iv) 5s¹4d⁸ v) 4s¹3d¹⁰ vi) 5s¹4d⁴

Is napthalene an aromatic compound? Explain.

 Give IUPAC names of the following compounds.

 How will you prepare 5-hexen-2-one from ethyl 3-oxobutanoate. Give the reactions involved and the reagents used in the reaction.

 With the help of a suitable diagram, explain the mechanism of oxygen binding in hemoglobin and discuss the structural changes that occur upon formation of oxyhemoglobin.

With the help of a suitable diagram explain the  pump. Show how the sodium-potassium pump moves toward an equilibrium state with the relative concentrations.

 Which metal ion is essential for the process of blood coagulation? Explain the mechanism by which it facilitates clot formation? Give the different ways by which cadmium affects the human body.

 What information is obtained from the IR spectrum of Fe₂(Cp)₂(CO)₄ given below ?

 The C-O stretching frequencies in the IR spectra of certain metal carbonyl species are as follows:

The value for CO(g) is . Discuss

 How can formation of nitrosyl complexes be formed from carbonyl complexes with the help of nitric oxide? Give three suitable equations to show this.

 Explain the structure of Fe₂(CO)₉ based on valence bond approach.

Explain the concept of hapticity with reference to allyl complexes, such as . How does -coordination differ from -coordination in terms of bonding and structure?

Give the structure of dimethyl beryllium.

 What is the chromyl chloride test? Give suitable equations.

ज्वाला परमाणु अवशोषण स्पेक्ट्रमी प्रकाशमिति और ज्वाला परमाणु उत्सर्जन स्पेक्ट्रमी प्रकाशमिति के लिए यंत्रीकरणों की संक्षेप में तुलना कीजिए।