1aa3-2012-tut7-a

1aa3-2012-tut7-a - CHEMISTRY 1AA3 Week of FEBRUARY 27, 2011...

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CHEMISTRY 1AA3 Week of FEBRUARY 27, 2011 TUTORIAL PROBLEM SET 7 – Solutions ______________________________________________________________________________ Page 1 of 3 1. Draw line structures for all of the structural isomers that satisfy the molecular formula C 6 H 14 . Name each structural isomer using the IUPAC rules. SOLUTION: Note that they are all alkanes. Naming allows you to check for inadvertently drawing the same structure in two different ways. 2. For each of the given structural formulas, draw the Lewis structure. Remember that carbon is always tetravalent (has four bonds), and it can form double and triple bonds to many different atoms (e.g. other C, O, N). Use these ideas to determine each Lewis structure, drawing multiple bonds where necessary to satisfy the valency at each atom. (i) HCO 2 H (ii) CH 3 NHOH (iii) CH 3 CHO (iv) CH 3 CHCl 2 (v) CH 2 NCH 3 SOLUTION: hexane 2-methylpentane 3-methylpentane 2,3-dimethylbutane 2,2-dimethylbutane (i) (ii) (iii) (iv) (v) H O H O C N H H H H O H C C H H H H O C C H H H H Cl Cl C N H H C H H H
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1aa3-2012-tut7-a - CHEMISTRY 1AA3 Week of FEBRUARY 27, 2011...

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