22. How many of the following compounds rotate plane-polarized light? OH CH3 H H. CHO CH3 -OH H -OH H H -OH CH3 CH₂OH & * * Br CH3 HW CH3 "OH Br CH3 A) None of them B) 1 C) 2 D) 3 E) All of them
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- 1 12. Identify the set of compounds that have the same functional group. (a) C2H6, C2H4, C2H2 (b) C2H2, CH3COOH, CH3CONH2 (с) СНЗСН2CНО, Н2СО, СНЗСH2CH2CH2CНO (d) CH3NH2, CH3CH2CONH2, CH3CH2CONHCH3 (e) СНЗС(О)СНз, СНЗСООН, CH:CH2CHO1. Using the letter designations, consider the set of compounds below as you answer the following questions. H slo nobenin sdi in alluest disponojam od) wer B E 0= N a. Which of these compounds is/are aromatic? -NH -N d. What is the hybridization of the N atoms in compound I? Yoitiosqeed oitoso eidt ni olidgtosle leutos art ei tedW J e. What is the hybridization of the N atom in compound E? N= HN G Sboboon od bicow ansest ter b. Considering only compounds F, G, H and J and assuming all are planar, which is/are wel antiaromatic? c. Considering only compounds A, B, C, D and E, which is/are nonplanar? On SOMDraw the molecular frameworks for each molecule and tell how many valence electrons are required to construct the framework. (CH3)3SiCl ; (CH3CH2)3N ; H2CO3 ; CH3CH2CH2OH
- How many of the following molecules will rotate plane polarized light? H. CH, CH3 Me H. CH, CH,CH3 H;C. CH2CH3 H;C. H. ČH, Br cı' H H;CH,C 21. What is the correct for the compound O سلام 2. What is the name here? + 'NH 2 Br Systematic name Shown OH here? of the compound shown A7 diethylamine bromide B) diethylammonium bromide) C) die+rylamide bromide D) diethylammonium Ediethylamine 3. Describe the structure, bonding, and properties this organic functional of group. IDentify the correct hybridization of the circled Oxygen atom in this Structure. 1:0:) A) SP B) SP 2 C) SP3 D) SP4 ES P3√25) How many chiral centers does this molecule have? .COOH он Br
- Two compounds with the formula CH3 ¬ CH “ N ¬ CH3 are known Explain why only one compound with the formula (CH3)2CNCH3 is knownHow many of the following molecules will rotate plane polarized light? H CH3 CH3 Ме CH3 CH2CH3 H3C. CH2CH3 CI H;C. H. ČH3 Br ci' H H3CH2C 1 2 3 4 5Which of these structures shows how the pictured molecule will look after it is rotated by 180°, as illustrated? он rotate OH OH он OH none of these он н Note: Only chedk the boxes of structures that correspond to a single 180° rotation of the original structure. Ignore structures that have been rotated or flipped multiple times or in other ways.
- 5a) Construct a model of butene, C4H8, using two carbon atoms with planar geometry and two carbon atoms with tetrahedral geometry. How many other isomers of C₂H, can you construct? Draw a dash structural representation of each structure. 5b) How many bonds in butene enjoy free rotation?15. Identify the functional group(s) in each compound i CH3CH₂CCH3 2-butanone (a solvent for paints and lacquers) a) H₂NCH₂CH₂CH₂CH₂CHCOH Lysine NH₂ (one of the 20 amino acid building blocks of proteins) c) 9 i HOCCH₂CH₂CH₂CH₂COH Hexanedioic acid (the 2nd component of nylon-66) b) i HOCH₂CCH₂OH Dihydroxyacetone (a component of several artificial tanning lotions) d)4. Below are the structures of some medications. Circle and identify functional groups in the structures. H₂C H₂C core MDPV Mephedrone 'N H CH3 Cocaine CH3 CH3 Methylone CH3 Aom CH3 CH3 CH3 Amphetamine NH₂ но... HO HO LaH O ACO OH 10-deacetylbaccatin III