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  2. Pentene - Wikipedia

    en.wikipedia.org/wiki/Pentene

    Pentenes are alkenes with the chemical formula C 5 H 10.Each molecule contains one double bond within its molecular structure. Six different compounds are 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.

  3. File:Trans-2-pentene.svg - Wikipedia

    en.wikipedia.org/wiki/File:Trans-2-pentene.svg

    The following other wikis use this file: Usage on bn.wikipedia.org পেন্টিন; সিস-ট্রান্স সমাণুতা

  4. 2-Pentyne - Wikipedia

    en.wikipedia.org/wiki/2-Pentyne

    Ethylmethylacetylene, 1-Ethyl-2-methylacetylene propyl acetylene. ... 2-Pentyne, an organic compound with the formula CH 3 CH 2 C≡CCH 3 and is an internal alkyne.

  5. Acetylene - Wikipedia

    en.wikipedia.org/wiki/Acetylene

    Acetylene (systematic name: ethyne) is the chemical compound with the formula C 2 H 2 and structure H−C≡C−H.It is a hydrocarbon and the simplest alkyne. [8] This colorless gas is widely used as a fuel and a chemical building block.

  6. Cis–trans isomerism - Wikipedia

    en.wikipedia.org/wiki/Cis–trans_isomerism

    Because the cis–trans and E–Z systems compare different groups on the alkene, it is not strictly true that Z corresponds to cis and E corresponds to trans. For example, trans-2-chlorobut-2-ene (the two methyl groups, C1 and C4, on the but-2-ene backbone are trans to each other) is (Z)-2-chlorobut-2-ene (the chlorine and C4 are together ...

  7. Polyacetylene - Wikipedia

    en.wikipedia.org/wiki/Polyacetylene

    Further studies led to improved control of the cis/trans isomer ratio and demonstrated that cis-polyacetylene doping led to higher conductivity than doping of trans-polyacetylene. [6] Doping cis-polyacetylene with AsF 5 further increased the conductivities, bringing them close to that of copper. Furthermore, it was found that heat treatment of ...

  8. C5H10 - Wikipedia

    en.wikipedia.org/wiki/C5H10

    2-Methyl-2-butene (CAS 513-35-9) Index of chemical compounds with the same molecular formula This set index page lists chemical structure articles associated with the same molecular formula .

  9. Electrocyclic reaction - Wikipedia

    en.wikipedia.org/wiki/Electrocyclic_reaction

    The cis isomer exclusively yields cis,trans-hexa-2,4-diene whereas the trans isomer gives the trans,trans diene: [2] This reaction course can be explained in a simple analysis through the frontier-orbital method : the sigma bond in the reactant will open in such a way that the resulting p-orbitals will have the same symmetry as the HOMO of the ...