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Solutions_Manual_for_Organic_Chemistry_6th_Ed 35

Solutions_Manual_for_Organic_Chemistry_6th_Ed 35 - C HAPTER...

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CHAPTER 2-STRUCTURE AND PROPERTIES OF ORGANIC MOLECULES 2-1 The fundamental principle of organic chemistry is that a molecule's chemical and physical properties depend on the molecule's structure: the structure-function or structure-reactivity correlation. It is essential that you understand the three-dimensional nature of organic molecules, and there is no better device to assist you than a molecular model set. You are strongly encouraged to use models regularly when reading the text and working the problems. (a) requires use of models H H (b) , f The wedge bonds represent bonds coming out of the plane of the paper H C H toward you. " C /" "" " C /" ./ The dashed bonds represent bonds going behind the plane of the paper. J \ J\ ./ H H H H 2-2 (a) The hybridization of oxygen is sp 3 since it has two sigma bonds and two pairs of non bonding electrons. The reason that the bond angle of 104.5° is less than the perfect tetrahedral angle of 109.5° is that the lone pairs in the two sp 3 orbitals are repelling each other more
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