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  2. Free-radical reaction - Wikipedia

    en.wikipedia.org/wiki/Free-radical_reaction

    A free-radical reaction is any chemical reaction involving free radicals. This reaction type is abundant in organic reactions . Two pioneering studies into free radical reactions have been the discovery of the triphenylmethyl radical by Moses Gomberg (1900) and the lead-mirror experiment [ 1 ] described by Friedrich Paneth in 1927.

  3. Category:Free radicals - Wikipedia

    en.wikipedia.org/wiki/Category:Free_radicals

    Pages in category "Free radicals" The following 82 pages are in this category, out of 82 total. ... Free radical; Radical (chemistry) * Disposable soma theory of aging;

  4. Radical (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Radical_(chemistry)

    Lewis dot structure of a Hydroxide ion compared to a hydroxyl radical. In chemistry, a radical, also known as a free radical, is an atom, molecule, or ion that has at least one unpaired valence electron. [1] [2] With some exceptions, these unpaired electrons make radicals highly chemically reactive. Many radicals spontaneously dimerize. Most ...

  5. Hydroxyl radical - Wikipedia

    en.wikipedia.org/wiki/Hydroxyl_radical

    The • HO radical is linked with the production of H 2 O in molecular clouds. Studies of • HO distribution in Taurus Molecular Cloud-1 (TMC-1) [20] suggest that in dense gas, • HO is mainly formed by dissociative recombination of H 3 O +. Dissociative recombination is the reaction in which a molecular ion recombines with an electron and ...

  6. Beta scission - Wikipedia

    en.wikipedia.org/wiki/Beta_scission

    Beta scission is an important reaction in the chemistry of thermal cracking of hydrocarbons and the formation of free radicals. Free radicals are formed upon splitting the carbon-carbon bond. Free radicals are extremely reactive and short-lived. When a free radical in a polymer chain undergoes a beta scission, the free radical breaks two ...

  7. Organobismuth radical - Wikipedia

    en.wikipedia.org/wiki/Organobismuth_radical

    Organobismuth radical is a chemical species that has unpaired electrons on bismuth centers within organic frameworks. [1] These radicals are part of the broader family of pnictogen -centered radicals , which include nitrogen , phosphorus , arsenic , antimony , and bismuth . [ 2 ]

  8. Radical substitution - Wikipedia

    en.wikipedia.org/wiki/Radical_substitution

    In organic chemistry, a radical-substitution reaction is a substitution reaction involving free radicals as a reactive intermediate. [1] The reaction always involves at least two steps, and possibly a third. In the first step called initiation (2,3), a free radical is created by homolysis.

  9. Elimination reaction of free radicals - Wikipedia

    en.wikipedia.org/wiki/Elimination_reaction_of...

    Radicals can undergo a disproportionation reaction through a radical elimination mechanism (See Fig. 1). Here a radical abstracts a hydrogen atom from another same radical to form two non-radical species: an alkane and an alkene. Radicals can also undergo an elimination reaction to generate a new radical as the leaving group.

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