Naming benzene derivatives introduction video khan academy. The actual structure of benzene, however, is a resonance hybrid of these two structure usually written as. Aromatic compounds ppt and worksheet with answers teaching. Due to this connected network of latex\pi latex bonds, the rings are planar, unlike the boat or table structures typical of cycloalkanes. Some representative aromatic compounds and their uses are listed in table \\pageindex1\, where the benzene ring is represented as c 6 h 5. C6h5 invariably refers to a benzene ring minus a hydrogen atom.
Aromatic hydrocarbons are compounds that contain a benzene ring. Naming aromatic compounds aromatic compounds are cyclic hydrocarbons containing a benzene structure. This group can be used to name particular compounds, such. A worksheet and starter activity is included to practice the rules for naming aromatic compounds. Naming and writing formulas for chemical compounds flow chart. If the substituent is an alkyl chain with more carbon atoms than benzene, then benzene can be treated as a substituent. Naming ionic and covalent compounds separately ws package. So what i want to do in this video is just familiarize you with some of these molecules and how to name them. 1 i 8 br ch3 2 ch3 h2c ch3 h3c ch ch2ch2 9 h3c h 3c c cchchch h2c ch3.
Choose the answer that best fills in the blanks of the following statement. You can recognize the aromatic compounds in this text by the presence of one or more benzene rings in their structure. H 3 c ch 2 ch 2 c ch 2 h 3 c ch 2 h 3 c ch 2 ch 2 c ch 2 h 3 c ch 2 parent pentene not hexene. Gce a level aromatic chemistry nomenclature naming. Can use o, p, m, or numbers when naming disubstitued aromatic rings. The ring, in this case, is called a phenyl group just like the methyl, ethyl, etc. Elements rarely occur naturally as individual atoms.
Starting with benzene as the only aromatic organic starting material, outline a plausible synthesis route for each of the listed compounds showing all reagents, conditions and intermediate substitution products clearly. Naming chemical compounds worksheet naming chemical. For each of the following iupac names, draw a structural diagram. The conversions are possible in at most 3 steps and at least 2 steps. Final exam problems ch 1416 conjugated and aromatic diels alder problem set 1 diels alder problem set 2 aromatic reactions aromatic reagents nomenclature problems aromatic synthesis problems more synthesis problems even more synthesis problems. Aromatic hydrocarbons practice sheet for naming and drawing rules 1. I mentioned in the last video that 99% of the aromatic compounds that youll see in a chemistry or organic chemistry class is either going to be benzene or a molecule derived from benzene. Aromatic compounds are cyclic structures in which each ring atom is a participant in a latex\pi latex bond, resulting in delocalized latex\pi latex electron density on both sides of the ring. Chemistry 121 winter 2001 course notes principles of chemistry ii page 8 c6h5chnh2cooh c h nh2 c oh o note. Benzene has 6 planar sp2 carbons, and therefore each carbon has an unhybridized p orbital. Name the parent hydrocarbon by locating the longest carbon chain that contains the double bond and name it according to the number of carbons with the suffix ene. Find out what you know about concepts like the common name for. Cooh or co2h invariably refers to an acid group c o oh in these examples the bond angles in many instances are drawn as right angles and the molecules appear planar. Naming chemical compounds answers name the following ionic compounds.
Chapter 6 amines and amides 3 classification and nomenclature of amines 4 amines amines and amides are abundant in nature. Aromatic hydrocarbons are compounds that contain a benzene ring structure. Since they have the same formula, they are the same. C he m g ui d e an s we r s naming organic compounds. Consult your textbook for more details and examples. Naming substituted alkanes and cycloalkanesgroup c substituents only 1. Document in microsoft internet explorer people ubcs. Describe the following as aromatic, anti aromatic or non aromatic neither aromatic nor anti aromatic. Today, an aromatic compound is any compound that contains a benzene ring or has certain benzenelike properties but not necessarily a strong aroma. This group can be used to name particular compounds, such as the one shown below.
Organic chemistry nomenclature practice worksheet with answers. Whenever you feel ready, use this quizworksheet combo to answer questions on aromatic compound naming. For each of the following structural diagrams, write the iupac name. Use these assessments to practice identifying aromatic compounds and understanding of huckels rule. Naming compounds worksheet answers stephen murray kids. This longest chain may not be written in a straight line.
Feb 11, 2017 this aromatic hydrocarbons benzene type compounds naming ppt and worksheet with answers provided will help students in the nomenclature of aromatic compounds. The alkanes and cycloalkanes are also members of a larger class of compounds referred to as. Gce a level aromatic chemistry nomenclature naming benzene. Simply put, aliphatic compounds are compounds that do not incorporate any. Benzyl bn it has a ch 2 methylene group attached to the benzene ring. For any alkanes, alkenes, alkynes, aromatic compounds, carboxylic acids or alcohols, provide the iupac name of the molecule. Instead, each sample of an element contains a huge number of atoms. When placed together most elements will begin to lose electrons becoming a positive ion or gain electrons becoming a negative ion. Derivatives aromatic compounds phenol, toluene, anisole. These compounds comprise a distinct class, called aromatic hydrocarbons.
This page looks at the names of some simple aromatic compounds. Sep 15, 2017 a worksheet and starter activity is included to practice the rules for naming aromatic compounds. Properties of aromatic compounds introduction to chemistry. But any planar cyclic hydrocarbon that contains 2, 6, 10, 14. For the four special monosubstituted benzenes, use the common name. Whenever you feel ready, use this quiz worksheet combo to answer questions on aromatic compound naming. Alkanes you must know how to name and draw straight chain and branched alkanes. Start studying naming chemical compounds worksheet. Answer key to rules for naming ionic compounds a worksheet addressing common mistakes.
Numbering the principal chain ii naming various classes of organic compounds 14 a. Historically, benzenelike substances were called aromatic hydrocarbons because they had distinctive aromas. Organic compounds containing substituents from group c are named following this sequence of steps, as indicated on the examples below. Select a compound from the list to see its structure, or click on answer to see the name of the currently displayed structure. This aromatic hydrocarbons benzene type compounds naming ppt and worksheet with answers provided will help students in the nomenclature of aromatic compounds. Benzene can be represented by the resonance structures. Huckels rule is strictly for monocyclic aromatic compound, its application to polycyclic aromatic compounds is tenuous. Often, more than one name is acceptable and it is not uncommon to find the old names still in use as well.
Naming chemical compounds worksheet flashcards quizlet. Finish the straight chain alkane practice at the end of the notes. Naming aromatic compounds monosubstituted derivatives of benzene many simple monosubstituted derivatives of benzene are named systematically by adding the name of the substituent to benzene which is the parent. Naming aromatic compounds isnt quite so straightforward as naming chain compounds. Next we consider a class of hydrocarbons with molecular formulas like those of unsaturated hydrocarbons, but which, unlike the alkenes, do not readily undergo addition reactions. Draw a structural diagram for each aromatic compound. Naming aromatic compounds worksheet with answers kids. In this instance, where you are just practising naming things and writing structures from names, it is less important. Solution the compound has a benzene ring with a chlorine atom substituted for one of the hydrogen atoms.
The two benzene rings are confusing, especially since one of them has been rotated to make it fit the diagram better. Naming, molecular formula, structural formula, condensed formula, and carbon skeletal formula. Start by checking that you can do all those which involve groups that you know about, and. Naming organic compounds quiz questions and answers pdf, only one benzene ring is present in compounds of, with answers for chemistry certifications. Molecules and compounds worksheet elegant heritage high school chemistry 2010 11 writing pound naming molecular compounds worksheet answers encouraged to be able to my own website, on this moment im going to teach you regarding naming molecular compounds worksheet answers. Short summary of iupac nomenclature of organic compounds. Alkaloids are ncontaining, weakly basic organic compounds. Free pdf chemistry worksheets to download or print. Final exam problems ch 1416 conjugated and aromatic diels alder problem set 1 diels alder problem set 2 aromatic reactions aromatic reagents nomenclature problems aromatic synthesis problems more synthesis problems even more synthesis. Final exam problems ch 1416 conjugated and aromatic. Name that longest chain with the appropriate alkane name. It is important that students get a good grasp of the convention used in naming the simplest class, the alkanes, as the. An aromatic compound is one which contains a benzene ring. Naming worksheet 1 salts name key per pdf free download.
If the benzene ring has more than two substituents, the substituents are numbered. If one of the substituents can be incorporated into a name, the name is used, and that incorporated substituent is given the 1position. I couldnt find another worksheet, but the workbook covers these topics. They are a major component of proteins and enzymes, nucleic acids, alkaloid drugs, etc. This is a very good class starter, and also an assessment to check and challenge students understanding of the topic. Video 20 this video and the following video will take you through the steps for naming aromatic compounds using their common names, as.
It is a broad term, and includes any aromatic rings. Naming ionic compounds answer key pdf free download. The compound has a benzene ring with a propyl group substituted for one of the hydrogen atoms. This is a collection that will affect you even additional to old thing. Name m, e, p, b structure of hydrocarbons draw the structure of the compounds below. Further resources for aromatic nomenclature are available in the accompanying aromatic chemistry aqa teacher support pack containing more resources and activities covering nomenclature, electrophilic substitution reactions and examstyle questions. Compounds from fused benzene or aromatic heterocyclic rings are themselves aromatic naphthalene. Explain why pnitrophenol is much more acidic than a normal alcohol. Naming hydrocarbons name name the compounds below according to the iupac naming system 1. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Naming chemical compounds worksheet answers unique 54 naming ionic and covalent.1426 836 337 175 941 1139 97 1023 153 95 408 1280 1016 49 1082 1608 196 648 1435 1066 621 337 149 791 1010 961 105 957 276 104 188 133 1302 552 153 1311 655 1254 301 154 780