test II and answers

test II and answers - I CFE QUIZ 2 JULY 2009 Part A Answer...

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Unformatted text preview: I CFE QUIZ 2 JULY 2009 Part A Answer all the questions 50 x 1 = 5 Marks) 1. Which compounds are isomers? a) 1-propanol and 2-propanol, b) methanoic acid and ethanoic acid c) methanol and methanal d) ethane and ethanol 2. Which statement explains why the element carbon forms so many compounds? a) Carbon atoms combine readily with oxygen. b) Carbon atoms have very high electronegativity. c) Carbon readily forms ionic bonds with other carbon atoms. d) Carbon readily forms covalent bonds with other carbon atoms. 3. In which pair of hydrocarbons does each compound contain only one double bond per molecule? a) C 2 H 2 and C 2 H 6 b) C 2 H 2 and C 3 H 6 c) C 4 H 8 and C 2 H 4 d) C 6 H 6 andC 7 H 8 4. The reaction CH 2 CH 2 + H 2-> CH 3 CH 3 is an example of a) substitution b) addition c) esterification d) fermentation 5. In a molecule of CH 4 , the hydrogen atoms are spatially oriented toward the centers of a regular )a pyramid )b tetrahedron )c square )d rectangle Part B Answer all the questions (15 Marks) 1. Define isomers and its types with suitable examples (3 marks) 2. Draw the following from the IUPAC name: a. trans- 1,4- Dimethylcyclohexane (2 marks) b. 3-Methyl 3-Hexanol (2 marks) 3. Complete the following equations: a. (2 marks) b. (2 marks) c. (2 marks) Dr. TVN. Padmesh Turn Over 1 Benzene Acetyl Chloride Methyl magnesium Bromide Formaldehyde Acid Halide I CFE QUIZ 2 JULY 2009 d. (2 marks) Part C Answer any two questions (2 x 10 = 20 Marks) 1. (a) Explain the method of preparation of primary, secondary and tertiary amines. (5 marks) (b) Write the applications of amines? (5 marks) 2 (a) Discuss any two methods of aldehyde preparation with labeled chemical equations and any two methods of ketone preparation. (7 marks) (b) Discuss on the formation of Primary alcohols with necessary equations and explain the process of oxidation of primary alcohols. (3 marks) 3. (a) Explain how Ionic and Covalent bonds are formed. Give examples with diagrams to illustrate your answer. (5 marks) (b) Discuss how the nature of the bond affects the properties of the bond and the substances. (5 marks) ALL THE BEST Dr. TVN. Padmesh Turn Over 2 Sodium carbonate Carboxylic acid Sodium carbonate End of Paper I CFE QUIZ 2 JULY 2009 Answers for Quiz 2 Part A Answer all the questions (5 x 1 = 5 Marks ) 1. Which compounds are isomers? a) propanol and 2-propanol, b) methanoic acid and ethanoic acid c) methanol and methanal d) ethane and ethanol 2. Which statement explains why the element carbon forms so many compounds? a) Carbon atoms combine readily with oxygen. b) Carbon atoms have very high electronegativity. c) Carbon readily forms ionic bonds with other carbon atoms. d) Carbon readily forms covalent bonds with other carbon atoms ....
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test II and answers - I CFE QUIZ 2 JULY 2009 Part A Answer...

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