Ortho meta para7/25/2023 If you think you have alternative answers that are ok, please check with me.Ĭheck you answers: (For more complete instructions, see Instructions, above.)Īnswer key (but see Answers section, above). To check yourself as you go, move the cursor over the word "answer" at the end of each answer box the answer will appear, after a momentary delay, in a balloon nearby. You can check yourself as you go, or you can use the usual answer key page. This is entirely for your convenience the computer does not check your answers.Īnswers. You can type your answer in the box if you wish. If it is not possible to use that system with a particular compound, explain why not. Ortho-, Meta-, Para- (OMP) Nomenclature for Disubstituted Benzenes. ![]() 1: Thus, the methyl group is an ortho, para directing group. Then, if possible, give a name using the omp system. If the opposite is observed, the substituent is called a meta directing group. For each structure shown, give a good IUPAC name (using traditional numbering). However, these prefixes are commonly used, and many will find it useful to be able to recognize their meaning. One can always use traditional IUPAC numbering.īecause one never needs to name a compound with the omp system, I do not consider it essential in my introductory course. These prefixes can be used only with aromatic compounds, and only when there are exactly two substituents on the ring. This quiz is intended to illustrate the use of the special prefixes ortho, meta and para ("omp"). > Quiz: Aromatic nomenclature: Use of ortho, meta, paraĪnswer key (but see Answers section, below).īottom of page return links and contact information Org/Biochem Quiz: Aromatic nomenclature: Use of ortho, meta, para
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