Module 2 Unit 3 Assignment B

Module 2 Unit 3 Assignment B - a PBr 3 P 2.19 Br 2.96...

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MODULE 2 UNIT 3 Assignment Part B 1. Select which of the following bonds between a pair of elements you predict to be the most polar? Explain your answer. I think the most polar pair of elements is F and C. I has the highest net electronegativity of 1.43. 2 marks a. Cl and B b. F and C c. C and I 2. Calculate the difference in electronegativity between the atoms participating in covalent bonds for each of the following compounds. Then, select the choice corresponding to the correct structural diagrams for each. You should check the polarity of each bond and the net polarity of the molecule. If the molecule is non- polar, indicate zero for the net polarity. (2 marks each)
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Unformatted text preview: a) PBr 3 P 2.19 Br 2.96 electronegativity =-.77 ii) is the proper structural diagram. i) ii) iii) b) TeI 2 Te 2.1 I 2.66 electronegativity =-.056. diagram ii) is the correct one. i) ii) iii) NFCl 2 N 3.04 F 3.98 Cl 3.16 NF bond 0.94 NCl bond -.12 Diagram ii) is the correct structure c) i) ii) iii) d) CCl 2 F 2 C 2.55 Cl 3.16 F 3.98 CF Bond is -1.43 CCl bond is -.61 Diagram i) is the correct structure. i) ii) iii) e) C 2 H 6 or CH 3 CH 3 C 2.55 H 2.2 electronegativity is .35 Diagram ii) is the correct one. i) ii) iii) Total 12 marks Submission Instructions Submit your assignment using the drop box on the Assignment page for this unit....
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This note was uploaded on 06/14/2011 for the course CHEM 1 taught by Professor Bielecka during the Spring '11 term at Georgian.

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Module 2 Unit 3 Assignment B - a PBr 3 P 2.19 Br 2.96...

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