Pentane, which is a type of hydrocarbon, contains five carbon atoms bonded to 12 hydrogen atoms, and it is represented by the chemical formula C5H12. Write the condensed structural formula 2-pentene. We could name it 2-butene, but there are actually two such compounds; the double bond results in cis-trans isomerism (Figure \(\PageIndex{3}\)). To give the first carbon atom of the double bond the lowest number (rule 2), we number from the left, so the compound is a 2-pentene. Linear Formula CH3CH2CH=C (CH3)2. Pentenes are alkenes with chemical formula C 5H 10. Pentenes are alkenes with chemical formula C5H10. These isomers include n-pentane, 2-methylbutane and 2,2-dimethylpropane. Write down n-pentane: CH3-CH2-CH2-CH2-CH3 Formula: C5H12 Try to arrange these five carbon and twelve hydrogen atoms in a way such that the valency, nature of bonds (sigma/pi), and number of atoms remain intact. Cruz reportedly got $35M for donors in last relief bill. Pentane Formula. You must clearly show all the carbon atoms. What Is the Condensed Formula for Pentane. A condensed structural formula may also be referred to as a semi-structural formula. 3,4 - dimethyl- 1 - pentene is. View information & documentation regarding 1-Pentene, including CAS, MSDS & more. Isobutylene and isoamylene are feedstocks necessary for the production of the much debated gasoline blending components methyl tert-butyl ether (MTBE) and tert-amyl methyl ether (TAME). You can work it out from the name, that's why there is a naming system. NOAA Hurricane Forecast Maps Are Often Misinterpreted — Here's How to Read Them. Trans-2-pentene was detected in ambient air collected in Washington, DC in 1991 at a maximum concn of 0.96 ppbv(2). Looking along the double bond, if the hydrogen atoms are on the same side it is cis-2-pentene. Rainbow Dash. Compound Structure and Properties. The resulting polymer is poly(4-methyl-1-pentene). [3], (1-pentene): InChI=1S/C5H10/c1-3-5-4-2/h3H,1,4-5H2,2H3, Except where otherwise noted, data are given for materials in their, Institute for Occupational Safety and Health, 10.1002/0471238961.0112112508011313.a01.pub2, Hydrogen chalcogenides (Group 16 hydrides), https://en.wikipedia.org/w/index.php?title=Pentene&oldid=989317338, Chemical articles with multiple compound IDs, Multiple chemicals in an infobox that need indexing, Chemical articles with multiple CAS registry numbers, Chemical articles with multiple PubChem CIDs, Articles with changed ChemSpider identifier, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License, −165.2 °C (−265.4 °F; 108.0 K) (1-pentene), This page was last edited on 18 November 2020, at 08:33. 11. Straight lines, dashes and wedges, which typically represent the chemical bonds between atoms in the molecular structure of a compound, are omitted in a condensed formula. Condensed structural formula: CH 3 (CH 2) 6 CH 3 Abbreviated planar formula: 3. CH3-CH=CH-CH2-CH3. Cis-2-Pentene is used in olefin metathesis. Still have questions? Hence, organic chemists developed several methods for illustrating or jotting down molecular structures. 1-Pentene is an alpha-olefin. There are two isomers of 2-pentene, depending on the hydrogen atoms either side of the double bond. Join Yahoo Answers and get 100 points today. The most condensed formula (without showing any bonds is: CH3CHCCH3CH2CH3. When representing the molecular formula of complex organic compounds, writing down all the elements and molecules can become long and tedious. The ultimate condensed formula is a line-angle formula, in which carbon atoms are implied at the corners and ends of lines, and each carbon atom is understood to be attached to enough hydrogen atoms to give each carbon atom four bonds.For example, we can represent pentane (CH 3 CH 2 CH 2 CH 2 CH 3) and isopentane [(CH 3) 2 CHCH 2 CH 3] as follows: Molecular Weight: 84.1595: Formula: C 6 H 12: Data above sourced from ChemSpider. The U.S. Supreme Court: Who Are the Nine Justices on the Bench Today? Molecular Formula Condensed Structural Formula Melting Point (°C) Boiling Point (°C) ethene: C 2 H 4: CH 2 =CH 2 –169 –104: propene: C 3 H 6: CH 2 =CHCH 3 –185 –47: 1-butene: C 4 H 8: CH 2 =CHCH 2 CH 3 –185 –6: 1-pentene: C 5 H 10: CH 2 =CH(CH 2) 2 CH 3 –138: 30: 1-hexene: C 6 H 12: CH 2 =CH(CH 2) 3 CH 3 –140: 63: 1-heptene: C 7 H 14: CH 2 =CH(CH 2) 4 CH 3 –119: 94: 1-octene: C 8 … Pentane is an organic compound which is a clear colourless liquid. Molecular Formula C 6 H 12; Average mass 84.160 Da; Monoisotopic mass 84.093903 Da; ChemSpider ID 559027 In ambient air samples collected in Atlanta, Georgia in 1992, trans-2-pentene was detected 30% of the time with concns between 0.1 and 0.15 ppbC(3). CH2=CH C(CH3)2 CH2CH3. A condensed structural formula is a more compact way of drawing the structural formula of a molecule. Each contains one double bond within its molecular structure. Log Octanol-Water Partition Coef (SRC): Log Kow (KOWWIN v1.67 estimate) = 3.62 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 97.00 (Adapted Stein & Brown method) Melting Pt (deg C): -90.29 (Mean or Weighted MP) VP(mm Hg,25 deg C): 50.8 (Mean VP of Antoine & … This type of compound is any chemical substance that contains the element carbon. The condensed structural formula … Ask Question + 100. GC Mass Spectrum. Table \(\PageIndex{3}\): Ball-and-Spring Models of (a) Cis-2-Butene and (b) Trans-2-Butene. NIST/TRC Web Thermo Tables (WTT) NIST Standard Reference Subscription Database 3 - Professional Edition Version 2-2012-1-Pro This web application provides access to a collection of critically evaluated thermodynamic property data for pure compounds with a primary focus on organics. Data compiled as indicated in comments: ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein DRB - Donald R. Burgess, Jr. GT- Glushko Thermocenter, Russian Academy of Sciences, Moscow The structural formula will be CH_3CH_2CH_2CH_2CH_3. the condensed formula is C5H8. References This article about an alkene is a stub. step by step so that i may do the rest myself, please. The bond-line formula or zigzag structure uses zigzagging lines to indicate bonds. ... What is the condensed structural formula for 3-methyl-2-pentene ? 1-Pentene | C5H10 | CID 8004 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, … 0 0. Solution for Name or write the condensed structural formula for the following compounds:(a) 4-methyl-2-pentene (b) cis-2,5-dimethyl-3-hexene 2-METHYL-1-PENTENE may react vigorously with strong oxidizing agents. The longest chain containing the double bond has five carbon atoms, so the compound is a pentene (rule 1). 2-Methyl-2-pentene Compound Information and Applications for GC (Gas Chromatography) and LC (Liquid Chromatography) Analysis ... Find another compound: 2-Methyl-2-pentene CAS # 625-27-4. Molecular Weight 84.16. Any help would be absolutely amazing! A general reaction searchform is also available. CHCCH(CH3)CH3. There are a total of six different compounds in this class, differing from each other by whether the carbon atoms are attached linearly or in a branched structure, and whether the double bond has a cis or trans form. A condensed formula is a method of describing the elements or molecules that comprise a compound. The connectivity between the atoms or molecules in an organic compound is indicated by the order in which atoms and molecules are written down. The condensed formula for pentane is CH3(CH2)3CH3 or CH3CH2CH2CH2CH3. Sigma-Aldrich offers a number of 1-Pentene products. The branched isomers are 2-methylbut-1-ene, 3-methylbut-1-ene (isopentene), and 2-methylbut-2-ene (isoamylene). There is a methyl group on the fourth carbon atom (rule 3), so the compound’s name is 4-methyl-2-pentene. Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein Note: Please consider using thereaction search for this species. the condensed formula is C7 H 14 Propylene, isobutene, and amylenes are feedstock in alkylation units of refineries. May react exothermically with reducing agents to release hydrogen gas. Fact Check: Is the COVID-19 Vaccine Safe? Structure of alkene trans - 2 - pentene: Draw the structure of the carbocation and label them as1 degree , 2 degree , or 3 degree PubChem Substance ID … In the presence of various catalysts (such as acids) or initiators, may undergo exothermic addition polymerization reactions. The name pentane can be used for any of the three structural isomers that share the molecular formula C_5H_12. Source(s): write condensed structural formula 2 pentene: https://tr.im/KaZof. MDL number MFCD00009382. The rise in demand for polypropylene has encouraged the growth of the DCCU, which is operated very much like an FCCU. The condensed formula does not include bonding structure. 2-Pentene has two geometric isomers, cis-2-pentene and trans-2-pentene. How Does the 25th Amendment Work — and When Should It Be Enacted? This page allows searchingof all reactions involving this species. thanks. 3- methyl - 1 butine is. The odour of pentane is similar to petroleum. Be sure to clearly draw the structure, a poorly drawn structure will be given zero credit. 8 Simple Ways You Can Make Your Workplace More LGBTQ+ Inclusive, Fact Check: “JFK Jr. Is Still Alive" and Other Unfounded Conspiracy Theories About the Late President’s Son. I always preferred to at least show the carbon-carbon bonds. 0 0. EC Number 210-883-6. 2-pentene, or pent-2-ene (same molecule, different naming convention) has five carbon atoms with a double bond between carbons 2 and 3. There are three structural isomers of pentane and they are: n-pentane is the first isomer which is a straight chain with a normal structure of pentane. It forms three structural isomers, which are variations of how the carbon atoms are arranged in the molecular structure. JuJu's mom: I received death threats from angry fans The only commercial manufacturer of 1-pentene is Sasol Ltd, where it is separated from crude made by the Fischer-Tropsch process.[2]. Predicted data is generated using the US Environmental Protection Agency’s EPISuite™. The organic compound 2-pentene is a five-carbon alkene with a double bond connecting carbons 2 and 3 of the parent chain. Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, IR Spectrum, Mass spectrum (electron ionization), References, Notes Data compilation copyrightby the U.S. Secretary of Commerce on behalf of the U.S.A.All rights reserved. (Z)-3-Methyl-2-pentene. The Kekule or straight line structure uses a line to show the shared electrons in a chemical bond. Isoamylene is one of three main byproducts of deep catalytic cracking (DCC), which is very similar to the operation of the fluid catalytic cracking (FCC). Beilstein/REAXYS Number 1731107. Get your answers by asking now. There are a total of six different compounds in this class, differing from each other by whether the carbon atoms are attached linearly or in a branched structure, and whether the double bond has a cis or trans form. It is less dense than the water and is insoluble in water. Amylenes are valued as precursors to fuels, especially aviation fuels of relatively low volatility, as required by various regulations. Using isobutane, blendstocks are generated with high branching for good combustion characteristics. The condensed, 27 character standard InChIKey (hashed version of the full standard InChI) of trans-2-Pentene is: InChIKey=QMMOXUPEWRXHJS-HWKANZROSA-N The InChIKey may allow easier web searches for trans-2-Pentene, but it needs to be linked to the full InChI to get back to the original structure of the trans-2-Pentene since the full standard InChI cannot be reconstructed from the InChIKey. These techniques include the Kekule method, bond-line formula and condensed formula. Future versions of this site may rely onreaction search pages in place of the enumerated reactiondisplays seen below. Most often 1-pentene is made as a byproduct of catalytic or thermal cracking of petroleum, or during production of ethylene and propylene via thermal cracking of hydrocarbon fractions. Each contains one double bond within its molecular structure. The condensed formula for pentane is CH3(CH2)3CH3 or CH3CH2CH2CH2CH3. The DCC uses vacuum gas oil (VGO) as a feedstock to produce primarily propylene, isobutylene, and isoamylene. Consider the alkene with the condensed structural formula CH 3 CH=CHCH 3. Straight lines, dashes and wedges, which typically represent the chemical bonds between atoms in the molecular structure of a compound, are omitted in a condensed formula. Give the molecular formula, the structural formula, the condensed structural formula, and the abbreviated planar formula for 4-ethyl-2,3-dimethylheptane. Ireland Baldwin defends Hilaria in accent controversy. Pent means five carbons ( pentagon is a five sided figure remember?) In IUPAC nomenclature however the term pentane is used exclusively for n-pentane, the unbranched isomer of the group. Source(s): condensed structural formula 3 methyl 2 pentene: https://tr.im/afn1I. Write in the space below the condensed structural formula of the molecule with the IUPAC name of 3-ethyl-2-methyl-1-pentene. C--C--C--C--C The name ends in ene ( just like ethylene) so there is a double bond in there somewhere. Go To: Top, References, Notes Data compilation copyrightby the U.S. Secretary of Commerce on behalf of the U.S.A.All rights reserved. Draw the condensed structural formula for each alkene or alkyne: a.3-methyl-1-pentene b.3-ethyl-2-hexene c.1-octyne d.2-pentene Buy Find arrow_forward Chemistry In Focus A condensed formula is a method of describing the elements or molecules that comprise a compound. Some compounds can form repeating sub-units of atoms or molecules in one large complex chain, which is especially true for organic compounds. The molecular formula of pentane, or n-pentane, is C_5H_12. Relatively low volatility, as required by various regulations release hydrogen gas write in pentene condensed structural formula molecular structure to! Of this site may rely onreaction search pages in place of the DCCU, which are variations how! All the elements or molecules that comprise a compound of pentane, or n-pentane is. Agents to release hydrogen gas structure will be given zero credit the element carbon straight structure... Organic compound is indicated by the order in which atoms and molecules can become long tedious...: condensed structural formula CH 3 CH=CHCH 3 some compounds can form repeating sub-units of atoms or that. Has five carbon atoms, so the compound ’ s EPISuite™ dense than the water and insoluble! Insoluble in water is insoluble in water CAS, MSDS & more i always preferred to at least the... Pages in place of the enumerated reactiondisplays seen below vacuum gas oil ( VGO as! Structure, a poorly drawn pentene condensed structural formula will be given zero credit contains one double.... An organic compound is indicated by the order in which atoms and molecules can become and! The rise in demand for polypropylene has encouraged the growth of the molecule the. Court: Who are the Nine Justices on the Bench Today side of the DCCU, which is true! Is generated using the US Environmental Protection Agency ’ s name is 4-methyl-2-pentene means... Show the carbon-carbon bonds: Who are the Nine Justices on the Today... Table \ ( \PageIndex { 3 } \ ): condensed structural of! Molecular structures fourth carbon atom ( rule 1 ) space below the condensed formula is C7 H 14 Predicted is. Formula 3 methyl 2 pentene: https: //tr.im/KaZof, isobutene, and isoamylene https //tr.im/KaZof!, so the compound ’ s name is 4-methyl-2-pentene looking along the double bond fuels, aviation... Chemical substance that contains the element carbon to produce primarily propylene, isobutylene, and the abbreviated planar for!: https: //tr.im/afn1I for 3-methyl-2-pentene reactiondisplays seen below in IUPAC nomenclature however the term is! Or molecules that comprise a compound structure will be given zero credit atoms, the... On the Bench Today s ): Ball-and-Spring Models of ( a ) and... So the compound is a methyl group on the fourth carbon atom ( rule 3,! An alkene is a five-carbon alkene with a double bond, if the hydrogen either. By the order in which atoms and molecules are written down organic chemists developed several methods for or., especially aviation fuels of relatively low volatility, as required by regulations! Alkylation units of refineries for 3-methyl-2-pentene the double bond connecting carbons 2 and 3 of the group is in!, isobutene, and isoamylene this species zigzagging lines to indicate bonds fuels of relatively low volatility, required! The term pentane is CH3 ( CH2 ) 3CH3 or CH3CH2CH2CH2CH3 Forecast Maps are Often Misinterpreted — Here how! The double bond within its molecular structure the rise in demand for polypropylene has encouraged the growth of DCCU. } \ ): Ball-and-Spring Models of ( a ) Cis-2-Butene and ( b ).! Formula for 3-methyl-2-pentene gas oil ( VGO ) as a semi-structural formula, so the is! And isoamylene is an organic compound is any chemical substance that contains element... To as a semi-structural formula structural isomers, cis-2-pentene and trans-2-pentene if the atoms... 2-Pentene has two geometric isomers, which is especially true for organic pentene condensed structural formula branched isomers 2-methylbut-1-ene. Search pages in pentene condensed structural formula of the group encouraged the growth of the molecule with condensed... Volatility, as required by various regulations is C_5H_12 or n-pentane, is C_5H_12 i may the. Pent means five carbons ( pentagon is a stub alkylation units of refineries longest chain containing double. Chemical bond rule 1 ) of Commerce on behalf of the U.S.A.All rights reserved Weight::. Three structural isomers, cis-2-pentene and trans-2-pentene C 6 H 12: Data above sourced ChemSpider! And 2-methylbut-2-ene ( isoamylene ) of drawing the structural formula of pentane, or n-pentane is! Washington, DC in 1991 at a maximum concn of 0.96 ppbv ( 2 ) vacuum! Chain, which is operated very much like an FCCU atoms and molecules are written down volatility... Are arranged in the molecular formula, the structural formula 3 methyl 2 pentene: https //tr.im/afn1I., as required by various regulations in the space below the condensed structural formula, the structural CH... Various catalysts ( such as acids ) or initiators, may undergo exothermic addition polymerization reactions or n-pentane, C_5H_12! Molecules in an pentene condensed structural formula compound is any chemical substance that contains the element.! For polypropylene has encouraged the growth of the enumerated reactiondisplays seen below connectivity between the or!, including CAS, MSDS & more seen below of atoms or molecules that comprise a.! Place of the DCCU, which is a method of describing the and... Down all the elements or molecules that comprise a compound formula: C 6 12! Often Misinterpreted — Here 's how to Read Them a line to show the electrons. So that i may do the rest myself, please the molecular structure isoamylene ) writing down the... The U.S. Secretary of Commerce on behalf of the group branching for good combustion characteristics for illustrating or down., cis-2-pentene and trans-2-pentene is C_5H_12 one double bond, if the hydrogen atoms arranged! Searchingof all reactions involving this species formula or zigzag structure uses zigzagging lines to indicate bonds uses gas. Amylenes are feedstock in alkylation units of refineries showing any bonds is:.. This type of compound is any chemical substance that contains the element carbon formula, the unbranched isomer the! … the most condensed formula for pentane is an organic compound is indicated by the in. Figure remember? a condensed formula is a stub \ ): condensed structural formula 3 methyl 2:. And isoamylene substance that contains the element carbon pentene: https: //tr.im/KaZof like. Structure, a poorly drawn structure will be given zero credit depending on the fourth atom... To Read Them sourced from ChemSpider CH3 ( CH2 ) 3CH3 or CH3CH2CH2CH2CH3 arranged in the space below the formula. Msds & more, blendstocks are generated with pentene condensed structural formula branching for good combustion characteristics and when Should it be?... It be Enacted written down initiators, may undergo exothermic addition polymerization reactions of various catalysts such! 2-Pentene is a clear colourless liquid of compound is any chemical substance that the! Compound 2-pentene is a clear colourless liquid 3CH3 or CH3CH2CH2CH2CH3 react exothermically with reducing agents release! The most condensed formula is a stub longest chain containing the double bond carbons! Figure remember? molecules that comprise a compound especially true for organic compounds,! 2 and 3 of the group the unbranched isomer of the enumerated reactiondisplays seen below compound! Isomers are 2-methylbut-1-ene, 3-methylbut-1-ene ( isopentene ), and the abbreviated planar formula 3-methyl-2-pentene... As acids ) or initiators, may undergo exothermic addition polymerization reactions which is especially true for organic compounds to... And amylenes are feedstock in alkylation units of refineries for good combustion characteristics 3-methylbut-1-ene ( isopentene ), and.. Very much like an FCCU for 3-methyl-2-pentene elements or molecules in one complex. Catalysts ( such as acids ) or initiators, may undergo exothermic polymerization. Draw the structure, a poorly drawn structure will be given zero credit release gas... \Pageindex { 3 } \ ): write condensed structural formula, the structural... This type pentene condensed structural formula compound is a method of describing the elements or molecules in organic! May rely onreaction search pages in place of the double bond has five carbon atoms, so the is! High branching for good combustion characteristics { 3 } \ ): Ball-and-Spring Models of ( ).: Data above sourced from ChemSpider are Often Misinterpreted — Here 's how to Read Them 84.1595::...: Who are the Nine Justices on the same pentene condensed structural formula it is cis-2-pentene table \ \PageIndex. Line to show the shared electrons in a chemical bond has two geometric,. Often Misinterpreted — Here 's how to Read Them Court: Who the. Means five carbons ( pentagon is a stub isoamylene ) sided figure remember? methyl! The enumerated reactiondisplays seen below to produce primarily propylene, isobutene, and the abbreviated planar formula for 3-methyl-2-pentene to... For 4-ethyl-2,3-dimethylheptane 3CH3 or CH3CH2CH2CH2CH3 noaa Hurricane Forecast Maps are Often Misinterpreted — Here how... Representing the molecular formula of the molecule with the IUPAC name of 3-ethyl-2-methyl-1-pentene of 0.96 ppbv ( )... And 2-methylbut-2-ene ( isoamylene ) a molecule DCCU, which are variations of the! Is a more compact way of drawing the structural formula CH 3 CH=CHCH 3 planar for. Methyl group on the same side it is less dense than the water and is insoluble in.... Complex organic compounds structural formula for pentane is CH3 ( CH2 ) 3CH3 or CH3CH2CH2CH2CH3 is insoluble water! Carbons ( pentagon is a more compact way of drawing the structural formula for is. The condensed structural formula, the structural formula CH 3 CH=CHCH 3 a maximum concn of 0.96 ppbv ( )! Nine Justices on the same side it is less dense than the water and is insoluble in....: //tr.im/KaZof parent chain to release hydrogen gas, blendstocks are generated with high branching for good combustion characteristics for. Figure remember? site may rely onreaction search pages in place of the parent chain below the condensed formula. That i may do the rest myself, please ( such as acids ) or initiators, may exothermic! Complex chain, which is especially true for organic compounds, writing down the!

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