Specifically they may have different molecular

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specifically, they may have different molecular polarities, which would cause them to have different IMA’s. 7 .) CIS/Trans Isomers 9) A double bond must be present, with each carbon having at least 1 substituent group (not all hydrogens) 25. a) 1-pentene: H H C = C cis\trans not possible H CH 2 CH 2 CH 3 b) trans -2-hexene cis -2-hexene CH 3 H CH 3 CH 2 CH 2 CH 3 C = C C = C H CH 2 CH 2 CH 3 H H CH 3 H c) 2-methyl-2-hexene C = C cis\trans not possible CH 3 CH 2 CH 2 CH 3 (10) Two compounds are isomers, if they have the same molecular formula, but have different physical connections between the atoms (different structural formulas). (11) Two compounds are structural isomers, if the atoms are joined in a different order.
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21. In a cyclic hydrocarbon, the carbon chain is in the form of a ring. 22.) In benzene, the bonding electrons between carbon atoms are shared evenly around the ring. In other words, every carbon-carbon bond is identical, and has the strength between a C – C and a C = C bond. Benzene has a resonance structure. 23.) In cyclohexane, all the carbon-carbon bonds are single bonds. In benzene, 6 additional electrons “smear out” among the carbon-carbon single bonds. Functional Groups 1.) Organic compounds are classified according to their functional groups. 2.) A halocarbon is a hydrocarbon molecule, in which a hydrogen atom has been replaced by a halogen atom (F, Cl, Br, I). b) hydroxyl- alcohol c) carboxyl- acid d) ether e) ester
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