BSc Biotechnology Sem I 2018 19 Dec 2018-19 BIOTECH BASIC CHEMISTRY I Question Paper - Mumbai University | munotes

Questions asked in this paper

• N.B: 1. Attempt all questions

1. Q2 Each question carries Do as directed: ( any fifteen) 15M Give IUPAC name of the following compounds: Explain the term: xiii Lowry’s concept of acid XV lonic product of water Give examples of: Fill in the blanks: xviii The Bond between NH3 BF3 is called bond xix The weak force of attraction present in non-polar molecules is known as XX The bond angle is BF3 molecule is 15 marks
2. Q2 Attempt the following questions A of the following compounds 8M
   • ii. 1,2,3 Propanetriol
   • iv. Butane B State basic rules of IUPAC nomenclature in ketones 7M C Draw structures of the following compounds 8M
   • i. Hexane
   • iii. Ethanol
   • iv. 2-pentene D Discuss IUPAC nomenclature of alkyne. Give suitable examples. 7M
3. Q3 Answer the following questions A What is Covalent bond? Explain by giving any two examples. 8M B Give a brief account of Non-covalent bond. 7M C Draw electron dot structure of any two ionic compounds. State features of 8M D Explain the structure of CsCl using ionic bond concept. 7M
4. Q4 Attempt the following questions A i. Explain in brief, the various ways in which concentration of a solute 4M can be expressed
   • ii. What is the molarity of a solution that contains 10g of glucose 4M dissolved in 250 g of water? (Molecular weight of glucose= 180) B Discuss physical properties of water. 7M C i. Discuss hydrolysis of salt of strong acid and strong base 4M
   • ii. Calculate pH of 0.25M HCl 4M D Show that pH+ pOH= 14 7M
5. Q5 Write short note: ( Any three) 15M i IUPAC nomenclature of carboxylic acids ii Types of hydrogen bonds iii Structure of CH4 molecule iv Interaction of water with polar solutes Henderson — Hasselbalch equation for acidic buffer

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