BSc Sem IV 2014 2015 2015 Chem Ll Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 Attempt any four:
   • A) Explain following properties of halogens:
   • 1) Oxidation state 2) Ionization energy 3) Electronegativity 4) Oxidising power /B) Describe in brief Preparation, Properties and Structure of
   • C) Explain any five chemical properties of Halogens
   • D) Describe Hemoglobin and Myoglobin. Also Explain their role in transport and storage of
   • E) Explain brief account of following pseudohalogens: ThioCynogen b) Azide
   • P) Explain structures of: b) XeOF,
   • G) Write a note on Heme protein
   • H) Explain the Physical and Chemical properties of noble elements
2. Q2 Attempt any four: 20 marks
   • A) Explain Arrhenius concept and give any two applications and limitations
   • B) Explain 18 electron rule
   • C) Write a short note on hydrogen Bonding Discuss the Bronsted-Lowry concept and explain conjugate acid-base pair with examples
   • E) Write a short note on Usanovich concept
   • F) Explain four chemical properties of 16 group elements
   • G) Write down the classification based on the nature of metal-carbon bond
   • H) Define haptacity and explain classification based on it Attempt any four: [20] What is wet and dry corrosion? Explain the main types
   • B) How the metal is protected from corrosion using coating and electroplating?
   • C) Explain the use of cathodic protection and anodizing in prevention of corrosion,
   • D) What is soil pollution. Explain causes of soil pollution and effects of soil pollution
   • E) Write down the causes of water pollution and control measures of water pollution
   • F) Write down the role of an individual in prevention of pollution,
   • 2.5HRS SEM-IV MARKS 75 TIME
   • G) Write a note on “Environmental Protection Act”
   • H) Define pollution. Explain water pollution and effects of water pollution
3. Q4 Attempt any three:
   • A) Write short note on: corrosion, economics and importance of corrosion
   • B) Explain the electrochemical theory with reaction Write any four physical characteristics of 15 group elements
   • D) Write three types of carbonyl groups on the basis of bonding
   • E) Name the elements of group 17. Give their electronic configuration jG) Explain structures of: a) b) XeF,

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