Bachelor of Science (B.Sc.) Sem II 2014 2015 2015 Chem Add Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 Write a note on anamolous behaviour of Beryllium What are carbides? Describe general characteristics of carbides What are Discuss classification of carbides Define nitrides. Give classification of nitrides What is common name and chemical formula of following compounds
2. Q2 calcium oxide Give five uses of calcium oxide ttempt any four: [20] } Explain concept of acid-base theory Give applications of it Explain Lux-Flood concept of acid-base theory Explain following terms with examples a) erythro isomers threo isomers hard and soft acid and base (HSAB) concept Define following terms; What is Pearson’s principle? Write down applications of HSAB concept xplain Usanovich concept; Give advantages and limitations of Usanovich concept a short note on enantiomers following terms with examples
   • b) elimination reaction Whet of with energy profile diagram is affecting SN’ and SN reaction? alkylation? Explain its mechanism tule with two examples Give any two mechanism mechanism Preparation of alkanes ree radical chlorination of propane canned by CamScanner CHEMISTRY PAL SEM-TE MARKS:75 QA Attempt any three:
   • A) a note an green house Explain system (Autoionization/ Autodissociation concept)
   • C) Explain its mechanism
   • D) Explain Lewis concept of acid = base theory, the physical and chemical properties of sodium carbonate the product of following reactions and name the product,

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