enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Hydrohalogenation - Wikipedia

    en.wikipedia.org/wiki/Hydrohalogenation

    A hydrohalogenation reaction is the electrophilic addition of hydrogen halides like hydrogen chloride or hydrogen bromide to alkenes to yield the corresponding haloalkanes. [ 1 ] [ 2 ] [ 3 ] If the two carbon atoms at the double bond are linked to a different number of hydrogen atoms, the halogen is found preferentially at the carbon with fewer ...

  3. Halogenation - Wikipedia

    en.wikipedia.org/wiki/Halogenation

    In chemistry, halogenation is a chemical reaction which introduces one or more halogens into a chemical compound. Halide-containing compounds are pervasive, making this type of transformation important, e.g. in the production of polymers, drugs. [1]

  4. Haloform reaction - Wikipedia

    en.wikipedia.org/wiki/Haloform_reaction

    In chemistry, the haloform reaction (also referred to as the Lieben haloform reaction) is a chemical reaction in which a haloform (CHX 3, where X is a halogen) is produced by the exhaustive halogenation of an acetyl group (R−C(=O)CH 3, where R can be either a hydrogen atom, an alkyl or an aryl group), in the presence of a base.

  5. Hydrogen halide - Wikipedia

    en.wikipedia.org/wiki/Hydrogen_halide

    The direct reaction of hydrogen with fluorine and chlorine gives hydrogen fluoride and hydrogen chloride, respectively. Industrially these gases are, however, produced by treatment of halide salts with sulfuric acid.

  6. Is It Safe to Use Expired Vitamins? The Truth About Vitamin ...

    www.aol.com/vitamins-expire-nutritionists-weigh...

    When you buy a bottle of vitamins from a nutrition store, you’ll probably notice a best-by date on the bottom of the jar. But that inscribed number isn’t a hard-and-fast rule—there is some ...

  7. FDA limits toxic lead in some baby foods - AOL

    www.aol.com/fda-limits-toxic-lead-baby-192002147...

    The U.S. Food and Drug Administration on Monday set maximum levels for lead in baby foods like jarred fruits and vegetables, yogurts and dry cereal, part of an effort to cut young kids' exposure ...

  8. Jennifer Lopez Shares How She Responds to ‘Hardships’ After ...

    www.aol.com/jennifer-lopez-shares-she-responds...

    Jennifer Lopez opened up in a new interview with British Vogue, discussing how she approaches “hardships” in the wake of her divorce from Ben Affleck.

  9. Haloalkane - Wikipedia

    en.wikipedia.org/wiki/Haloalkane

    In hydrohalogenation, an alkene reacts with a dry hydrogen halide (HX) electrophile like hydrogen chloride (HCl) or hydrogen bromide (HBr) to form a mono-haloalkane. The double bond of the alkene is replaced by two new bonds, one with the halogen and one with the hydrogen atom of the hydrohalic acid.