HW03Key - answer in the appropriate box. Each correct...

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Graded Homework Problem #03 – Answer Key Deadline : 3:00 p.m., Monday, 2/4/08 LATE WORK WILL NOT BE ACCEPTED OR GRADED!!! This problem is worth a total of 20 raw points. Curcumin is the yellow pigment found in turmeric, a spice that is commonly used in curries and other South Asian recipes. In the line–angle structure of curcumin given below, no lone pairs are shown explicitly. All atoms in curcumin have a formal charge of zero, however. Arrows marked with letters point to various parts of the structure. These letters correspond to the questions given below the structure. Answer each of these questions, writing your
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Unformatted text preview: answer in the appropriate box. Each correct answer is worth 2 points. Note that youll need to look at the structure of the entire molecule to answer questions (i) and (j)! O H 3 C HO O O OH O CH 3 (a) Functional group = (f) Functional group = (b) Hybridization = (g) Number of lone pairs on O = (c) Functional group = (h) Hybridization = (d) Geometry = (i) Total number of bonds = (e) Functional group = (j) Total number of bonds = (a) (b) (c) (d) (e) (f) (g) (h) ether sp 2 alkene tetrahedral ketone aromatic ring 2 sp 3 48 10...
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