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  2. Sodium amalgam - Wikipedia

    en.wikipedia.org/wiki/Sodium_amalgam

    Sodium amalgam, with the common formula Na (Hg), is an alloy of mercury and sodium. The term amalgam is used for alloys, intermetallic compounds, and solutions (both solid solutions and liquid solutions) involving mercury as a major component. Sodium amalgams are often used in reactions as strong reducing agents with better handling properties ...

  3. Amalgam (chemistry) - Wikipedia

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

    Amalgam (chemistry) Arquerite, a natural amalgam of silver and mercury. An amalgam is an alloy of mercury with another metal. It may be a liquid, a soft paste or a solid, depending upon the proportion of mercury. These alloys are formed through metallic bonding, [1] with the electrostatic attractive force of the conduction electrons working to ...

  4. Disodium tetracarbonylferrate - Wikipedia

    en.wikipedia.org/wiki/Disodium_tetracarbonylferrate

    Disodium tetracarbonylferrate is the organoiron compound with the formula Na 2 [Fe (CO) 4]. It is always used as a solvate, e.g., with tetrahydrofuran or dimethoxyethane, which bind to the sodium cation. [1] An oxygen -sensitive colourless solid, it is a reagent in organometallic and organic chemical research.

  5. Oxidation state - Wikipedia

    en.wikipedia.org/wiki/Oxidation_state

    In chemistry, the oxidation state, or oxidation number, is the hypothetical charge of an atom if all of its bonds to other atoms were fully ionic. It describes the degree of oxidation (loss of electrons) of an atom in a chemical compound. Conceptually, the oxidation state may be positive, negative or zero. Beside nearly-pure ionic bonding, many ...

  6. Amalgam (dentistry) - Wikipedia

    en.wikipedia.org/wiki/Amalgam_(dentistry)

    Amalgam (dentistry) Amalgam filling on first molar. In dentistry, amalgam is an alloy of mercury used to fill teeth cavities. [1] It is made by mixing a combination of liquid mercury and particles of solid metals such as silver, copper or tin. The amalgam is mixed by the dentist just before use.

  7. Reducing agent - Wikipedia

    en.wikipedia.org/wiki/Reducing_agent

    In the above equation, the Iron (Fe) has an oxidation number of 0 before and 3+ after the reaction. For oxygen (O) the oxidation number began as 0 and decreased to 2−. These changes can be viewed as two "half-reactions" that occur concurrently: Oxidation half reaction: Fe 0 → Fe 3+ + 3e −; Reduction half reaction: O 2 + 4e − → 2 O 2−

  8. Chloralkali process - Wikipedia

    en.wikipedia.org/wiki/Chloralkali_process

    The chloralkali process (also chlor-alkali and chlor alkali) is an industrial process for the electrolysis of sodium chloride (NaCl) solutions. It is the technology used to produce chlorine and sodium hydroxide (caustic soda), [1] which are commodity chemicals required by industry. Thirty five million tons of chlorine were prepared by this ...

  9. Sodium hyponitrite - Wikipedia

    en.wikipedia.org/wiki/Sodium_hyponitrite

    Sodium hyponitrite (trans) is conventionally prepared by reduction of sodium nitrite with sodium amalgam.[5] [6] [7]2 NaNO 2 + 4 Na(Hg) + 2 H 2 O → Na 2 N 2 O 2 + 4 NaOH + 4 Hg. Sodium hyponitrite (trans) was prepared in 1927 by A. W. Scott by reacting alkyl nitrites, hydroxylammonium chloride, and sodium ethoxide [4] [8]