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keyquiz1 - CHM 2200C Quiz 1 Name_KEY(Please Print Grade_10...

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CHM 2200C January 12, 2005 Quiz 1 Name ____ KEY ___________________ (Please Print) Grade __ 10 __ of 10 points Points (2) 1. Give the name for the straight chain alkanes having the following molecular formulas: 0.5 pts each (a) C 7 H 16 ___ heptane _____ (b) C 5 H 12 ____ pentane ________ (c) C 2 H 6 ___ ethane ______ (d) C 4 H 10 ____ butane _________ (2) 2. Give the molecular formulas for the following straight chain alkanes: 0.5 pts each (a) butane ___ C 4 H 10 ______ (b) propane ____ C 3 H 8 ________ (c) decane ___ C 10 H 22 _______ (d) hexane ____ C 6 H 14 ________ (2.5) 3. Draw the Lewis structure of formaldehyde (CH 2 O) in the box at the right. 1 pt structure, 0.5 pts each blank (a) How many total valence electrons are there? ___ 12 __ (b) What is the O-C-H angle? __
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