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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. C5H10 - Wikipedia

    en.wikipedia.org/wiki/C5H10

    C 5 H 10 is the molecular formula of 13 hydrocarbon isomers (represented by their CAS numbers on the chart). They can be divided into cycloalkanes and alkenes . Cycloalkanes

  4. Cyclopentane - Wikipedia

    en.wikipedia.org/wiki/Cyclopentane

    Cyclopentane (also called C pentane) [4] is a highly flammable alicyclic hydrocarbon with chemical formula C 5 H 10 and CAS number 287-92-3, consisting of a ring of five carbon atoms each bonded with two hydrogen atoms above and below the plane.

  5. Cycloalkene - Wikipedia

    en.wikipedia.org/wiki/Cycloalkene

    This is because the bond angle for an alkene, C-C=C, is 122°, while the bond angle for an alkane, C-C-C, is 112°. When these carbons form a small ring, the alkene which has a larger bond angle will have to compress more than the alkane causing more bond angle strain. [4] Cycloalkenes have a lower melting point than cycloalkanes of the same size.

  6. Newman projection - Wikipedia

    en.wikipedia.org/wiki/Newman_projection

    3D structure A Newman projection is a drawing that helps visualize the 3-dimensional structure of a molecule. [ 1 ] This projection most commonly sights down a carbon-carbon bond, making it a very useful way to visualize the stereochemistry of alkanes.

  7. Pentane - Wikipedia

    en.wikipedia.org/wiki/Pentane

    Pentane is an organic compound with the formula C 5 H 12 —that is, an alkane with five carbon atoms. The term may refer to any of three structural isomers, or to a mixture of them: in the IUPAC nomenclature, however, pentane means exclusively the n-pentane isomer, in which case pentanes refers to a mixture of them; the other two are called isopentane (methylbutane) and neopentane ...

  8. Pentyl group - Wikipedia

    en.wikipedia.org/wiki/Pentyl_group

    Pentyl is a five-carbon alkyl group or substituent with chemical formula-C 5 H 11.It is the substituent form of the alkane pentane.. In older literature, the common non-systematic name amyl was often used for the pentyl group.

  9. Pentose - Wikipedia

    en.wikipedia.org/wiki/Pentose

    Thus the structure of the linear form is H–(CHOH) x –C(=O)–(CHOH) 4-x –H, where x is 0, 1, or 2. The term "pentose" sometimes is assumed to include deoxypentoses, such as deoxyribose: compounds with general formula C 5 H 10 O 5-y that can be described as derived from pentoses by replacement of one or more hydroxyl groups with hydrogen ...