When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Hydrogen cyanide - Wikipedia

    en.wikipedia.org/wiki/Hydrogen_cyanide

    Hydrogen cyanide (formerly known as prussic acid) is a chemical compound with the formula HCN and structural formula H−C≡N.It is a highly toxic and flammable liquid that boils slightly above room temperature, at 25.6 °C (78.1 °F).

  3. Lewis structure - Wikipedia

    en.wikipedia.org/wiki/Lewis_structure

    Lewis structure of a water molecule. Lewis structures – also called Lewis dot formulas, Lewis dot structures, electron dot structures, or Lewis electron dot structures (LEDs) – are diagrams that show the bonding between atoms of a molecule, as well as the lone pairs of electrons that may exist in the molecule.

  4. Hydrocyanation - Wikipedia

    en.wikipedia.org/wiki/Hydrocyanation

    Subsequent binding of the alkene gives the intermediate M(H)(CN)L n (alkene), which then undergoes migratory insertion to give an alkylmetal cyanide. The cycle is completed by the reductive elimination of the nitrile. Lewis acids, such as triphenylboron (B(C 6 H 5) 3), induce reductive elimination of the nitrile product, increasing rates. [1]

  5. Gilbert N. Lewis - Wikipedia

    en.wikipedia.org/wiki/Gilbert_N._Lewis

    Lewis had been working on an experiment with liquid hydrogen cyanide, and deadly fumes from a broken line had leaked into the laboratory. The coroner ruled that the cause of death was coronary artery disease , because of a lack of any signs of cyanosis, [ 34 ] but some believe that it may have been a suicide.

  6. Simplified Molecular Input Line Entry System - Wikipedia

    en.wikipedia.org/wiki/Simplified_Molecular_Input...

    Double, triple, and quadruple bonds are represented by the symbols =, #, and $ respectively as illustrated by the SMILES O=C=O (carbon dioxide CO 2), C#N (hydrogen cyanide HCN) and [Ga+]$[As-] (gallium arsenide). An additional type of bond is a "non-bond", indicated with ., to indicate that two parts are not bonded together.

  7. Cyanide - Wikipedia

    en.wikipedia.org/wiki/Cyanide

    The most hazardous compound is hydrogen cyanide, which is a gas and kills by inhalation. For this reason, working with hydrogen cyanide requires wearing an air respirator supplied by an external oxygen source. [11] Hydrogen cyanide is produced by adding acid to a solution containing a cyanide salt.

  8. Pauling's principle of electroneutrality - Wikipedia

    en.wikipedia.org/wiki/Pauling's_principle_of...

    There are two possible structures for hydrogen cyanide, HCN and CNH, differing only as to the position of the hydrogen atom. The structure with hydrogen attached to nitrogen, CNH, leads to formal charges of -1 on carbon and +1 on nitrogen, which would be partially compensated for by the electronegativity of nitrogen and Pauling calculated the net charges on H, N and C as -0.79, +0.75 and +0.04 ...

  9. Isocyanic acid - Wikipedia

    en.wikipedia.org/wiki/Isocyanic_acid

    The acceptor properties of HNCO are compared with other Lewis acid in the ECW model. Low-temperature photolysis of solids containing HNCO creates the tautomer cyanic acid H−O−C≡N, also called hydrogen cyanate. [15] Pure cyanic acid has not been isolated, and isocyanic acid is the predominant form in all solvents. [2]