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Unformatted text preview: bond is sp 2 hybridized, while the O with two single bonds is sp 3 hybridized. The N is sp 3 hybridized and has bond angles of approximately 109.5 o . c. What are the numbers of σ and π bonds in the molecule? Nine σ bonds and one π bond 3. The compound shown below is acetylsalicylic acid, better known as aspirin. Note: lone pair electrons are NOT shown in this structure. C N C H H H H N H C H H C O O H C C C C C C C O O H O C O C H H H H H H H 1 2 3 a. What are the approximate values of the bond angles marked 1, 2, and 3? The bond angles are 120 o , 120 o , and <109.5 o , respectively. b. What hybrid orbitals are used by the central atoms of each of these angles? In numerical order, they are sp 2 , sp 2 , and sp 3 hybridized c. How many σ bonds are in the molecule? Twenty one σ bonds...
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