Tiêu đề 2023-Apr-May-Chemistry-I (AICTE).pdf ✅

Printed Pages-7 Roll No.: A000211(011) (AICTE Scheme) B.Tech. (Second Semester) Examination April-May 2023 (Common to all Branches) CHEMISTRY-J Time Allowed : Three hours Maximum Marks :100 Unit-I INST R ECHNO; Minimum Pass Marks : 35 Note: Unit-I to V are common for the students of all branches except chemical engineering and from Unit VI to X are only for chemical engineering students. All question are compulsory, Part (a) is compulsory in each unit and carries 4 marks. Atempt any two parts from (b), (o) and (d) which carry 8 marks. 1. (a) Write ngte on Pi-molecular orbitals of butadiene. A000211(011) (b) Write postultes of crystal field theory. Explain 0.0G LIBRARY PTO

A000211(01) A000211(011) PTO (b) Derive Schrodinger wve equation for wave between an angular node and a radial node? 6. (a) What is a radial bioinorganic compound. properties of complex with the relevance to (d) Explain d-d transition and also discuss the Magnctic Unit-VI compounds with the examples. (c) Discus the structural isomerism in (ii) Wolfkishner's reaction (ü) Riemer Tiemann's reaction () Mechanism of electrophilic addition rcaction of this theory. Explain the formation of NO m¡lecule on the basis (b) Write the postulates of molecular orbital theory. (d) Write short notes on : (any two) 4 marks each (1) Aspiin synthesis method. () Cannizaro's reaction two applications of organometallic compounds. compound and organometallic compounds? Write 7. (a) What is the difference between coordination () Baeyer Villigers Oxidation Unit-VI (c) Write short notes on : 4 marks each (m) Significance of wave function mechanism. (b) Explain mechanism of SN, and SN, reaction () Concept of atomic orbitals its mechanism. 5. (a) Explain peroxide effect with exampke and also discuss (d) Writ short notes on : (any two) ) Eigen 4 (c) Describe different postulates of Quantum Mechanics. Unit-V (n) Penetration of orbitals of Schrodinger wave. function. mechaniçal model. What is the physical significance |4| |5| node? What is the difference coordination (any two) values & Eigen Functions marks each
A900211(O11) 6840| A000211(011) organic compound. compound? Write the factor influencing acidity of (c) How do you determine the acidity of organic decides theproducts. (b) What is kinetic and thermodynamic control? Explain how kinetic and thermodynamic control of reaction it (ii) Carbanions (i) Free radical Unit-IX () Carbocation (i) Geometrical isomerism (d) 4 marks each () D,L and R,S configuration (c) Explain elimination reaction with one example. ) Diastereomers (d) Write notes on:(any two) 4 marks each example. (b) What is substitution reaction? Explain it with one and essential conditions of enantiomers. (c) What are the enantiomers? Write the characteristics synthesis. 10. (a) Explain role pf solvent in organic compound (b) Write the conformations of cyclohexane and ethane. Unit-X 8. (a) Write note on Chirality. of organic compound. Unit-VIIl (d) Define basicity. Write the factors inluencing basicity |6| |7| depends. 9. (a) What is nucleophilicity? Discuss the factors on which Write note on: (any two)