(a)What are zeolites and how can they be synthesized? Give some important applications of zeolites. [7]
(b)Explain significance of quantum mechanical wave function. Also enlist properties of a well-behaved wave function. [7]
(c)Write some important chemical properties of Cl 2 . Also give its general and industrial applications. [6]
(20)
Q. 3
(a)How are the human activities in urban areas responsible for air-pollution? What measures should be taken to minimize air-pollution? [7]
(b)With suitable examples differentiate between internal energy change and enthalpy change. Under what conditions the two quantities have almost same value? [7]
(c)Explain dissociation of weak acids. How can dissociation constant be determined using conductance measurements? [6]
(20)
Q. 4
(a)Many transition element complexes (TEC) exhibit their characteristic spectra in the visible-region. Give detailed account of factors which affect/modify spectra of the TEC. [7]
(b)Explain synthesis of cement; also draw flow-chart diagram to show the significant steps. [7]
(c)Explain significance of Gibbs expression. How can ∆G value be utilized to predict occurrence of a chemical reaction? [6]
(20)
Q. 5
(a)How does silver exist in nature? What shape compounds are formed by Ag (I) with different ligands? [7]
(b)Elaborate the common and different features of H 2 and H 2 + molecules according to the pertinent molecular orbital theory. [7]
(c)Enlist different oxyacids of N and P. Also explain differences in their behaviour. [6]
(20)
Q. 6
(a)Derive Schroedinger's wave equation for a particle of mass 'm' confined in a one-dimensional box of length 'l'. Also give a relationship for the zero-point energy. [7]
(b)Define 2nd law of thermodynamics. How can the entropy change become an indicator for spontaneity of a process? [7]
(c)How can shapes of transition element complexes (TEC) be explained on the basis of some typical hybridization by the central ion? [6]
(20)
Q. 7
(a)Describe functioning of a typical Fuel-Cell (FC). What is the role of membrane equilibria in the FC?. [7]
(b)What is the origin of magnetic property in the complexes of transition elements? Give some factors on which magnetic property may depend. [7]
(c)With suitable examples of multi-electron atoms, elaborate Aiufbau principle in the light of Pauli's principle and Hund's rule. [6]
(20)
Q. 8
(a)‘Debye-Hueckel theory (D-HT) Works under limiting conditions'. Elaborate the statement with examples. Also give significance of D-HT. [7]
(b)What are transition elements? Give a generalized account of physical and chemical characteristics of transition elements. [7]
(c)With the electrochemical reaction that take place at the two electrodes, describe 'electrolysis of aqueous solutions'. [6]
The 2014 CSS Chemistry paper set by the FPSC. Question wording only; questions marked “Not yet checked” have not been compared with the official paper yet.
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