Chapters 1 and 2

Chapters 1 and 2 - About this Assignment Due Tuesday 11:59 PM EST Description These cover the concepts Current Score 90 out of 100 from the

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About this Assignment Due: Tuesday, January 30, 2007 11:59 PM EST Current Score: 90 out of 100 Question Score Submission Options Description These cover the concepts from the chapters 1 and 2 in the text. 1. [Carey6 1.kas.02.] 4/4 points Last Response | Show Details All Responses Notes Determine the following for the Lewis structure given below. (a) formal charge on C -1 [-1 -or- - -or- -1 -or- 1-] (b) net charge for the species as a whole -1 [-1 -or- - -or- 1-] 2. [Carey6 1.kas.03.] 10/10 points Last Response | Show Details All Responses Notes For each of the following assume all lone pairs are shown. (a) Determine the formal charge for the following. nitrogen in A 0 [0 -or- zero] carbon in B -1 [-1 -or- - -or- 1-] carbon in C +1 [+1 -or- + -or- 1 -or- 1+] boron in D 0 [0 -or- zero] (b) Select the molecule(s) for which the central atom has access to an octet. [x] [x] A [x] [x] B [_] [_] C [_] [_] D
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3. [Carey6 2.kas.05.] 18/24 points Last Response | View Saved Work | Show Details All Responses Notes Below are the structures for benzonitrile, nicotine and caffeine. Each atom obeys the octet rule (duet for hydrogen) and no atom possesses a formal charge. Lone pairs and non-methyl hydrogens are understood. (a) What is the total number of hydrogens in the nicotine molecule?
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This note was uploaded on 03/19/2008 for the course CH 221 taught by Professor Melander during the Spring '07 term at N.C. State.

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Chapters 1 and 2 - About this Assignment Due Tuesday 11:59 PM EST Description These cover the concepts Current Score 90 out of 100 from the

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