{"id":15243,"date":"2020-12-01T09:55:20","date_gmt":"2020-12-01T04:25:20","guid":{"rendered":"https:\/\/cbselibrary.com\/?p=15243"},"modified":"2020-12-01T10:58:34","modified_gmt":"2020-12-01T05:28:34","slug":"isomerism-isomers-examples","status":"publish","type":"post","link":"https:\/\/cbselibrary.com\/isomerism-isomers-examples\/","title":{"rendered":"What is an isomerism?"},"content":{"rendered":"<h2><strong>What is an isomerism?<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<h2>What is an isomer and example?<\/h2>\n<p><span style=\"color: #993366;\"><strong>Isomerism<\/strong><\/span><\/p>\n<ol>\n<li><strong>Isomerism<\/strong> is a phenomenon whereby two or more molecules are found to have the same molecular formula.<\/li>\n<li>These molecules have the same numbers and types of atoms. They only differ in the arrangement of the atoms. They are molecules which have different structures. These molecules are called <strong>isomers.<\/strong><\/li>\n<li><strong>Isomers<\/strong> are molecules with the same molecular formula, but with different structural formulae.<\/li>\n<li>Isomers have different physical properties.<\/li>\n<li>Isomers from the same homologous series have the same functional group. Hence, they have the same chemical properties.<\/li>\n<\/ol>\n<h2><strong>How to draw isomers of alkanes?<\/strong><\/h2>\n<p><span style=\"color: #993366;\"><strong>Isomerism in alkanes<\/strong><\/span><\/p>\n<ol>\n<li>Isomerism in alkanes starts with molecules with more than three carbon atoms. Methane, ethane and propane do not have isomers.<\/li>\n<li>Alkane isomers only differ in the arrangement of the atoms, producing <strong>straight-chain<\/strong> and <strong>branched-chain<\/strong>\u00a0molecules.<br \/>\nFor example, butane, C<sub>4<\/sub>H<sub>10<\/sub>\u00a0has two isomers shown below.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-113995\" src=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-1.png\" alt=\"What is an isomerism 1\" width=\"420\" height=\"191\" srcset=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-1.png 420w, https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-1-300x136.png 300w\" sizes=\"(max-width: 420px) 100vw, 420px\" \/><\/li>\n<\/ol>\n<p>Use the following steps to help you draw structural formulae of isomers of alkanes.<\/p>\n<ul>\n<li><strong>Step 1:<\/strong> Use the total number of carbon atoms given in the molecular formula to draw all the possible straight-chain and branched-chain carbon skeletons. This is done by varying the number of carbon atoms in the straight and branched chains.<\/li>\n<li><strong>Step 2:<\/strong> For each carbon skeleton, place single bonds around each carbon atom to ensure each carbon atom has four bonds.<\/li>\n<li><strong>Step 3:<\/strong> Complete the structure by placing one hydrogen atom at each of the single bonds.<\/li>\n<\/ul>\n<p><strong><span style=\"color: #993366;\">Isomerism in alkanes example:<\/span><br \/>\n<\/strong><\/p>\n<p>Draw all the isomers of C<sub>5<\/sub>H<sub>12<\/sub>.<br \/>\n<strong>Solution:<br \/>\n<\/strong><\/p>\n<ul>\n<li><strong>Step 1:<\/strong> Draw all the possible carbon skeletons.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-113996\" src=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-2.png\" alt=\"What is an isomerism 2\" width=\"633\" height=\"183\" srcset=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-2.png 633w, https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-2-300x87.png 300w, https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-2-630x183.png 630w\" sizes=\"(max-width: 633px) 100vw, 633px\" \/><\/li>\n<li><strong>Step 2:<\/strong> Place single bonds around every carbon atom. Ensure that each carbon atom has four bonds.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-113997\" src=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-3.png\" alt=\"What is an isomerism 3\" width=\"620\" height=\"109\" srcset=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-3.png 620w, https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-3-300x53.png 300w\" sizes=\"(max-width: 620px) 100vw, 620px\" \/><\/li>\n<li><strong>Step 3:<\/strong> Place a hydrogen atom at each of the single bonds.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-113999\" src=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-4.png\" alt=\"What is an isomerism 4\" width=\"635\" height=\"187\" srcset=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-4.png 635w, https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-4-300x88.png 300w, https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-4-630x187.png 630w\" sizes=\"(max-width: 635px) 100vw, 635px\" \/><\/li>\n<\/ul>\n<p><strong>People also ask<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/cbselibrary.com\/carbon-compounds\/\">What are carbon compounds?<\/a><\/li>\n<li><a href=\"https:\/\/cbselibrary.com\/chemical-properties-carbon-compounds\/\">Chemical Properties of Carbon Compounds<\/a><\/li>\n<li><a href=\"https:\/\/cbselibrary.com\/alkanes-formed-physical-chemical-properties\/\">How are alkanes formed?<\/a><\/li>\n<li><a href=\"https:\/\/cbselibrary.com\/alkene-formula-physical-chemical-properties\/\">What is an alkene in chemistry?<\/a><\/li>\n<li><a href=\"https:\/\/cbselibrary.com\/alcohol-made-properties-uses\/\">What is alcohol and how is it made?<\/a><\/li>\n<li><a href=\"https:\/\/cbselibrary.com\/carboxylic-acids\/\">How are carboxylic acids formed?<\/a><\/li>\n<li><a href=\"https:\/\/cbselibrary.com\/esters-formed-esterification-properties-uses\/\">How esters are formed?<\/a><\/li>\n<li><a href=\"https:\/\/cbselibrary.com\/fats-oils\/\">What are fats and oils?<\/a><\/li>\n<li><a href=\"https:\/\/cbselibrary.com\/palm-oil-extracted\/\">How palm oil is extracted?<\/a><\/li>\n<li><a href=\"https:\/\/cbselibrary.com\/order-homologous-series\/\">Order in Homologous Series<\/a><\/li>\n<li><a href=\"https:\/\/cbselibrary.com\/natural-rubber-properties-uses\/\">What is the monomer of natural rubber?<\/a><\/li>\n<li><a href=\"https:\/\/cbselibrary.com\/acid-used-coagulating-rubber-latex\/\">Which acid is used for coagulating rubber from latex?<\/a><\/li>\n<li><a href=\"https:\/\/cbselibrary.com\/classification-of-hydrocarbons\/\">Classification of Hydrocarbons<\/a><\/li>\n<li><a href=\"https:\/\/cbselibrary.com\/homologous-series-hydrocarbons\/\">What is the homologous series of hydrocarbons?<\/a><\/li>\n<li><a href=\"https:\/\/cbselibrary.com\/properties-uses-ethanol\/\">Properties and Uses of Ethanol<\/a><\/li>\n<li><a href=\"https:\/\/cbselibrary.com\/properties-uses-ethanoic-acid\/\">Properties and Uses of Ethanoic Acid<\/a><\/li>\n<\/ul>\n<h2><strong>How to draw isomers of alkenes?<\/strong><\/h2>\n<p><span style=\"color: #993366;\"><strong>Isomerism in alkenes<\/strong><\/span><\/p>\n<ol>\n<li>Alkenes also show isomerism. However, isomerism in alkenes is due to<br \/>\n(a) <strong>the branching of the carbon chain<\/strong><br \/>\n(b) <strong>the different positioning of the double bond<\/strong><\/li>\n<li>Ethene and propene do not exhibit isomerism.<\/li>\n<li>Isomerism in alkenes starts with molecules with more than three carbon atoms. For example, butene, C<sub>4<\/sub>H<sub>8<\/sub>\u00a0has three isomers and pentene, C<sub>5<\/sub>H<sub>10<\/sub>\u00a0has five isomers.<\/li>\n<\/ol>\n<p>Use the following steps to draw structural formulae of isomers of alkenes.<\/p>\n<ul>\n<li><strong>Step 1:<\/strong> Use the total number of carbon atoms given in the molecular formula to draw all the possible straight-chain and branched-chain carbon skeletons. This is done by varying the number of carbon atoms in the straight and branched chains.<\/li>\n<li><strong>Step 2:<\/strong> For each carbon skeleton, place a double bond at different locations.<\/li>\n<li><strong>Step 3:<\/strong> Place single bonds around each carbon atom to ensure each carbon atom has four bonds.<\/li>\n<li><strong>Step 4:<\/strong> Complete the structure by placing one hydrogen atom at each of the single bonds.<\/li>\n<\/ul>\n<p><span style=\"color: #993366;\"><strong>Isomerism in alkanes example:<br \/>\n<\/strong><\/span><\/p>\n<p>Draw all the isomers of C<sub>4<\/sub>H<sub>8<\/sub>.<br \/>\n<strong>Solution:<\/strong><\/p>\n<ul>\n<li><strong>Step 1:<\/strong> Draw all the possible carbon skeletons.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-114007\" src=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-5.png\" alt=\"What is an isomerism 5\" width=\"423\" height=\"78\" srcset=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-5.png 423w, https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-5-300x55.png 300w\" sizes=\"(max-width: 423px) 100vw, 423px\" \/><\/li>\n<li><strong>Step 2:<\/strong> For each carbon skeleton, place a double bond at different locations.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-114016\" src=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-6.png\" alt=\"What is an isomerism 6\" width=\"534\" height=\"83\" srcset=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-6.png 534w, https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-6-300x47.png 300w\" sizes=\"(max-width: 534px) 100vw, 534px\" \/><\/li>\n<li><strong>Step 3:<\/strong> Place single bonds around each carbon atom. Ensure that each carbon atom has four bonds.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-114017\" src=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-7.png\" alt=\"What is an isomerism 7\" width=\"545\" height=\"86\" srcset=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-7.png 545w, https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-7-300x47.png 300w\" sizes=\"(max-width: 545px) 100vw, 545px\" \/><br \/>\n<strong>Note:<\/strong><br \/>\nPlacing the double bond between the last two carbon atoms in skeleton (I) produces the following structure.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-114018\" src=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-8.png\" alt=\"What is an isomerism 8\" width=\"230\" height=\"28\" \/><br \/>\nBut this structure is the same as skeleton (III).<br \/>\nDrawing a double bond at the other two locations in skeleton (V) do not create any new structures.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-114019\" src=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-9.png\" alt=\"What is an isomerism 9\" width=\"306\" height=\"50\" srcset=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-9.png 306w, https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-9-300x49.png 300w\" sizes=\"(max-width: 306px) 100vw, 306px\" \/><br \/>\nThe above two structures are the same as skeleton (V).<\/li>\n<li><strong>Step 4:<\/strong> Place a hydrogen atom at each of the single bonds.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-114020\" src=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-10.png\" alt=\"What is an isomerism 10\" width=\"632\" height=\"136\" srcset=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-10.png 632w, https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-10-300x65.png 300w, https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-10-630x136.png 630w\" sizes=\"(max-width: 632px) 100vw, 632px\" \/><\/li>\n<\/ul>\n<h2><strong>How to name isomers using IUPAC?<\/strong><\/h2>\n<p><span style=\"color: #993366;\"><strong>Naming isomers<\/strong><\/span><\/p>\n<ol>\n<li>Isomers of alkanes and alkenes are also named according to the IUPAC rules. The name of a branched alkane or branched alkene consists of three component parts:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-114021\" src=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-11.png\" alt=\"What is an isomerism 11\" width=\"418\" height=\"162\" srcset=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-11.png 418w, https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-11-300x116.png 300w\" sizes=\"(max-width: 418px) 100vw, 418px\" \/><\/li>\n<li>The root and ending parts of the IUPAC name are obtained in the same way as in the naming of straight-chain alkanes and alkenes.<\/li>\n<li>For branched-chain alkanes or alkenes, prefixes are used to specify the identity, number and location of these branches or side chains.<\/li>\n<li>These branches are formally known as alkyl groups.<\/li>\n<li>An<strong> alkyl group<\/strong> is an alkane from which one hydrogen atom has been removed.<\/li>\n<li>Alkyl groups have the general formula <strong>C<sub>n<\/sub>H<sub>2n+1<\/sub><\/strong>\u00a0where n = 1, 2, 3, &#8230;<\/li>\n<li>Alkyl groups are named by dropping<em><strong> -ane<\/strong> <\/em>from the name of the corresponding alkane and replacing it with<strong> <em>-yl.<\/em> <\/strong>Two examples are shown below.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-114022\" src=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-12.png\" alt=\"What is an isomerism 12\" width=\"336\" height=\"125\" srcset=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-12.png 336w, https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-12-300x112.png 300w\" sizes=\"(max-width: 336px) 100vw, 336px\" \/><\/li>\n<\/ol>\n<p><span style=\"color: #993366;\"><strong>Naming isomers of alkanes example:<\/strong><\/span><\/p>\n<p>Name the alkane which has the structure shown below.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-114024\" src=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-13.png\" alt=\"What is an isomerism 13\" width=\"275\" height=\"94\" \/><br \/>\n<strong>Solution:<\/strong><\/p>\n<ul>\n<li><strong>Step 1:<\/strong> Find the longest continuous carbon chain in the molecule.<\/li>\n<li><strong>Step 2:<\/strong> Give the name for this longest chain.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-114059\" src=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-14.png\" alt=\"What is an isomerism 14\" width=\"400\" height=\"173\" srcset=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-14.png 400w, https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-14-300x130.png 300w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><br \/>\nNote: The carbon atoms in the longest continuous chain do not necessarily have to lie in a straight line.<\/li>\n<li><strong>Step 3:<\/strong> Number the carbon atoms in this longest chain beginning at the end nearer to the branches (alkyl groups).<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-114082\" src=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-15.png\" alt=\"What is an isomerism 15\" width=\"406\" height=\"206\" srcset=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-15.png 406w, https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-15-300x152.png 300w\" sizes=\"(max-width: 406px) 100vw, 406px\" \/><br \/>\nThe right to left numbering is used for this alklane.<\/li>\n<li><strong>Step 4:<\/strong> Locate and name the attached alkyl groups. The position of each alkyl group is given the number of the carbon atom to which it is attached on the chain.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-114096\" src=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-16.png\" alt=\"What is an isomerism 16\" width=\"415\" height=\"140\" srcset=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-16.png 415w, https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-16-300x101.png 300w\" sizes=\"(max-width: 415px) 100vw, 415px\" \/><br \/>\nNote: If two or more of the same kind of alkyl groups are attached to the same chain, the number of alkyl groups is indicated by the prefixes di- (2), tri- (3), tetra- (4), and so on. In addition, the location of every identical group must be indicated by a number.<\/li>\n<li><strong>Step 5:<\/strong> Complete the name for the molecule by combining the three component parts together. Write the name as a single word. Use hyphens to separate numbers and words, and commas to separate numbers.<br \/>\nName of the molecule:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-114097\" src=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-17.png\" alt=\"What is an isomerism 17\" width=\"247\" height=\"160\" \/><\/li>\n<\/ul>\n<p>Table shows names and structural formulae of isomers of alkanes.<img loading=\"lazy\" class=\"alignnone size-full wp-image-114098\" src=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-18.png\" alt=\"What is an isomerism 18\" width=\"761\" height=\"448\" srcset=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-18.png 761w, https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-18-300x177.png 300w\" sizes=\"(max-width: 761px) 100vw, 761px\" \/><\/p>\n<p><span style=\"color: #993366;\"><strong>Naming isomers of alkenes example:<\/strong><\/span><\/p>\n<p>Name the alkene given below.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-114099\" src=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-19.png\" alt=\"What is an isomerism 19\" width=\"276\" height=\"63\" \/><br \/>\n<strong>Solution:<\/strong><\/p>\n<ul>\n<li><strong>Step 1:<\/strong> Find the longest continuous carbon chain containing the double bond.<\/li>\n<li><strong>Step 2:<\/strong> Give the name for this longest chain.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-114100\" src=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-20.png\" alt=\"What is an isomerism 20\" width=\"405\" height=\"167\" srcset=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-20.png 405w, https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-20-300x124.png 300w\" sizes=\"(max-width: 405px) 100vw, 405px\" \/><\/li>\n<li><strong>Step 3:<\/strong> Number the carbon atoms in this longest chain beginning at the end nearer the double bond and<strong> not<\/strong> nearer to the first alkyl group. This will ensure the carbon atoms joined by the double bond have numbers as low as possible.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-114101\" src=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-21.png\" alt=\"What is an isomerism 21\" width=\"371\" height=\"141\" srcset=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-21.png 371w, https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-21-300x114.png 300w\" sizes=\"(max-width: 371px) 100vw, 371px\" \/><\/li>\n<li><strong>Step 4:<\/strong> Locate the double bond by the number of the first carbon atom in the double bond. This number is placed in front of the family name.<br \/>\nNote: The position of the double bond needs to be indicated only for chains of four or more carbon atoms.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-114102\" src=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-22.png\" alt=\"What is an isomerism 22\" width=\"309\" height=\"168\" srcset=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-22.png 309w, https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-22-300x163.png 300w\" sizes=\"(max-width: 309px) 100vw, 309px\" \/><\/li>\n<li><strong>Step 5:<\/strong> Locate and name the attached alkyl group.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-114103\" src=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-23.png\" alt=\"What is an isomerism 23\" width=\"392\" height=\"81\" srcset=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-23.png 392w, https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-23-300x62.png 300w\" sizes=\"(max-width: 392px) 100vw, 392px\" \/><\/li>\n<li><strong>Step 6:<\/strong> Complete the name for the molecule by combining the three component parts together. Write the name as a single word.<br \/>\nName of the molecule:\u00a0<strong>3-methylbut-1 -ene<br \/>\n<\/strong><\/li>\n<\/ul>\n<p>Table shows names and structural formulae of isomers of alkenes.<img loading=\"lazy\" class=\"alignnone size-full wp-image-114104\" src=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-24.png\" alt=\"What is an isomerism 24\" width=\"764\" height=\"517\" srcset=\"https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-24.png 764w, https:\/\/cbselibrary.com\/wp-content\/uploads\/2017\/06\/What-is-an-isomerism-24-300x203.png 300w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is an isomerism? &nbsp; What is an isomer and example? Isomerism Isomerism is a phenomenon whereby two or more molecules are found to have the same molecular formula. These molecules have the same numbers and types of atoms. They only differ in the arrangement of the atoms. They are molecules which have different structures. &#8230; <a title=\"What is an isomerism?\" class=\"read-more\" href=\"https:\/\/cbselibrary.com\/isomerism-isomers-examples\/\" aria-label=\"More on What is an isomerism?\">Read more<\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[84],"tags":[6175,6181,6182,6189,6188,6187,6173,6183,6184,6174,6177,6179,6178,6180,6190,6191,6185,6172,6186,6171,6176],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v17.8 (Yoast SEO v18.4.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is an isomerism? - CBSE Library<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cbselibrary.com\/isomerism-isomers-examples\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is an isomerism?\" \/>\n<meta property=\"og:description\" content=\"What is an isomerism? &nbsp; What is an isomer and example? 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