Chemical Properties of Common Metal Compounds
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Questions and Answers

What property of magnesium trisilicate makes it useful as an antacid?

  • Its ability to detect reducing sugars
  • Its fibrous mineral composition
  • Its heat conduction capabilities
  • Its adsorbent and protective properties (correct)

    • Which of the following is used as a component in tests for reducing sugars?

  • Talc
  • Cupric sulfate (correct)
  • Magnesium trisilicate
  • Cupric hydrogen arsenite

    • Which of the following is an antidote for phosphorus poisoning?

  • Cupric acetate
  • Asbestos (correct)
  • Talc
  • Cupric sulfate

    • Which of the following cupric compounds is commonly known as 'Paris Green'?

    <p>Cupric hydrogen arsenite</p> Signup and view all the answers

    What is the primary color of Cu+2 salts when subjected to a non-luminous flame?

    <p>Blue to emerald green</p> Signup and view all the answers

    What is the primary characteristic of the Group IB metals, including copper, silver, and gold?

    <p>They are generally chemically inert.</p> Signup and view all the answers

    Which metal listed is primarily known for its oligodynamic effect?

    <p>Silver</p> Signup and view all the answers

    What is the Latin name for silver?

    <p>Argentum</p> Signup and view all the answers

    What condition is associated with the prolonged use of silver preparations?

    <p>Argyria</p> Signup and view all the answers

    What is one of the uses of silver nitrate in medical applications?

    <p>Eye antiseptic for newborns</p> Signup and view all the answers

    Which of the following best describes the appearance of silver metal?

    <p>White with metallic luster</p> Signup and view all the answers

    Which metal is the best conductor of electricity?

    <p>Silver</p> Signup and view all the answers

    What natural resource is the Latin name for copper derived from?

    <p>The island of Cyprus</p> Signup and view all the answers

    What is Auranofin primarily used for?

    <p>Orally available gold drug for rheumatoid arthritis</p> Signup and view all the answers

    Which of the following has a stronger antiseptic action than mild silver protein?

    <p>Strong protein silver</p> Signup and view all the answers

    Which brand is associated with Auranofin?

    <p>Silvol</p> Signup and view all the answers

    What is a primary use of Silver sulfadiazine?

    <p>Treatment of infections in burn wounds</p> Signup and view all the answers

    What is the chemical form of zinc mentioned in the content?

    <p>Zn+2</p> Signup and view all the answers

    Which complex is used for the IV treatment of lupus erythematosus?

    <p>Gold and sodium thiosulfate Complex</p> Signup and view all the answers

    Which silver compound is noted for its use in photography?

    <p>Silver bromide</p> Signup and view all the answers

    Which of the following is NOT an antiseptic as per the information provided?

    <p>Gold-198</p> Signup and view all the answers

    What is a primary use of zinc oxide in the medical field?

    <p>As a dental filler in zinc-eugenol cement</p> Signup and view all the answers

    What condition can zinc oxide ointment be used to treat?

    <p>Psoriasis</p> Signup and view all the answers

    Which of the following describes the form of zinc oxide used in Lassar's plain zinc paste?

    <p>A mixture with ferric oxide</p> Signup and view all the answers

    What does the term hydrargyrism refer to?

    <p>Chronic mercury poisoning</p> Signup and view all the answers

    What is one of the uses of mercurial ointment?

    <p>Parasiticide for crab-louse infestation</p> Signup and view all the answers

    Which statement is true about zinc peroxide?

    <p>It is a sterilized dry powder for surgical infections.</p> Signup and view all the answers

    Which of these is a characteristic of mercury?

    <p>It forms alloys with zinc effectively.</p> Signup and view all the answers

    What is a common usage of zinc oxide in cosmetics?

    <p>As an active ingredient in sunscreens</p> Signup and view all the answers

    What is the primary use of zinc stearate?

    <p>Dusting powder - antiseptic and astringent</p> Signup and view all the answers

    Which statement correctly describes cadmium?

    <p>Cadmium is known for its application in rust-proofing.</p> Signup and view all the answers

    What is a characteristic of mercuric chloride?

    <p>Known as corrosive sublimate and extremely poisonous.</p> Signup and view all the answers

    Which compound is known as 'white precipitate'?

    <p>Ammoniated mercury</p> Signup and view all the answers

    For what purpose is zinc used as an astringent?

    <p>Skin disease treatment.</p> Signup and view all the answers

    What is the main function of mercuric cyanide?

    <p>Antiseptic and antisyphilitic.</p> Signup and view all the answers

    What is the role of zinc sulfate in dyeing processes?

    <p>To function as a mordant.</p> Signup and view all the answers

    What illness is directly associated with cadmium poisoning?

    <p>Itai-itai disease.</p> Signup and view all the answers

    Study Notes

    Magnesium Trisilicate

    • Antacid with adsorbent and protective properties
    • Emulsifying agent

    Cupric Sulfate

    • "Blue vitriol" or "blue stone"
    • Component of Fehling's solutions and Benedict's solution, which are used to detect reducing sugars
    • Emetic
    • Antidote for phosphorus poisoning

    Cupric Acetate and Acetic Acid

    • Components of Barfoed's reagent, which is used to test for reducing sugars

    Basic Cupric Acetate

    • "Green verdigris"

    Cupric Hydrogen Arsenite

    • "Scheele's mineral, Swedish Green"

    Cupric Acetoarsenite

    • "Paris Green, Parrot Green"
    • Insecticide

    Cupric Sulfate and Calcium Oxide

    • "Bordeaux mixture"
    • Algaecide and fungicide for swimming pools

    Asbestos

    • Fibrous minerals and poor heat conductors

    Talc

    • Native hydrated magnesium silicate
    • Filtering agent

    Group IB – The Coinage Metals

    • Composed of Copper (Cu), Silver (Ag), and Gold (Au)
    • Employed for ornamental and coinage purposes
    • Known as “Noble metals”
    • Occur free in nature
    • Chemically inert
    • Slowly oxidized in air
    • Malleable and ductile
    • Best metals for electrical conductivity (Ag > Cu > Au)
    • Best metals for heat conductivity (Ag > Au > Cu)
    • Possess oligodynamic effect, which is the toxic effect of metals on microbes

    Copper

    • Latin name Cuprum, from “Cyprus” where many ores are mined
    • Red metal
    • Cu+2 salts are blue to emerald green in non-luminous flame

    Silver

    • Latin name Argentum, "shining"
    • White metal with metallic luster
    • Ag+ Ion
    • Protein precipitant
    • Colloidal silver preparations are antiseptic and astringent
    • Irritant, corrosive
    • Argyria is a condition that causes skin darkening due to long-term use of silver preparations
    • Chrysotherapy is the treatment of diseases (especially RA) with gold compounds
    • Disease-modifying antirheumatic drugs (DMARDs) include gold-based compounds

    Silver Nitrate

    • Eye antiseptic for newborn babies
    • Silver nitrate pencil, also known as Lunar caustic or Toughened silver nitrate
    • Ammoniacal silver nitrate solution, also known as Howe's solution

    Mild Silver Protein

    • "Mild protargin"
    • Mild antiseptic
    • Brands: Silvol, Argyrol

    Strong Protein Silver

    • "Strong protargin"
    • Stronger antiseptic action than mild silver protein
    • Brand: Protargol

    Colloidal Silver Chloride

    • Antiseptic

    Colloidal Silver Iodide

    • Antiseptic

    Silver Sulfadiazine

    • Prophylaxis and treatment of infections in burn wounds

    Silver Bromide

    • Antiseptic
    • Used in photography

    Silver Oxide

    • CO absorbent

    Silver Picrate

    • Picragol, Picrotol
    • Antiseptic

    Gold

    • Latin name Aurum, "shining dawn, aurora"
    • "King of all metals"
    • Used in gilding and plating, dental crowns, bridges, and inlays (gold leaf)
    • Sodium aurothiomalate is a commonly used gold-based DMARD
    • Auranofin is an orally available gold drug for RA
    • Gold-198 is a radioactive isotope used for anticancer treatment
    • Gold and sodium thiosulfate complex is used intravenously to treat lupus erythematosus and rheumatoid arthritis

    Group IIB - The Zinc Group

    • Composed of Zinc (Zn), Cadmium (Cd), and Mercury (Hg)

    Zinc

    • Bivalent (+2)
    • Burns with a bluish-white flame
    • Used in galvanizing iron to protect it from corrosion and in batteries
    • Zn+2 ion is a protein precipitant, astringent, and mild antiseptic
    • Used as an adjuvant in insulin preparations to enhance stability

    Zinc Oxide

    • "Zinc white" or "Chinese white"
    • Antiseptic and astringent
    • Used as an ointment or dusting powder to treat eczema, psoriasis, and pruritis
    • Used in the manufacture of adhesive tape and as a paint pigment

    Zinc Oxide Paste

    • Lassar's plain zinc paste
    • Unna's hard zinc paste

    Medicinal Zinc Peroxide

    • Used to control surgical infections due to anaerobic bacteria

    Zinc Stearate

    • Used as a dusting powder, antiseptic, and astringent

    Zinc Sulfate

    • Heptahydrate is known as "White vitriol"
    • Emetic and astringent
    • Mordant in dye
    • Used in White Lotion, which is a mixture of zinc sulfate and potassium sulfide

    Cadmium

    • Bivalent (+2)
    • Used in electroplating for a non-shiny finish and in rust-proofing
    • Cd+2 ion has similar action to Zn+2 ion, but more toxic
    • Cadmium poisoning can lead to death due to respiratory arrest
    • Itai-itai disease is a mass cadmium poisoning event that occurred in Japan

    Mercury

    • Latin name hydrargyrum, "Liquid silver or quick silver"
    • Shining silvery-white liquid metal
    • Forms amalgams (alloys) with many metals
    • Hydrargyrism is chronic mercury (Hg) poisoning
    • Minamata disease is methylmercury poisoning, which occurred in Japan

    Pharmaceutical Uses of Mercury

    • Elemental Mercury (Quicksilver or Hydrargyrum)
      • Used in the treatment of syphilis and crab-louse infestation
    • Mild Mercurial Ointment (Blue Ointment)
      • Contains 9-10% Hg
      • Used as a parasiticide
    • Strong Mercurial Ointment (Mercurial Ointment)
      • Contains 47.5-52.5% Hg
      • Used in the treatment of syphilis
    • Mercury Mass (Blue Mass, Blue Pill)
      • Cathartic
    • Mercury with Chalk
      • Laxative

    Ammoniated Mercury

    • "White precipitate"
    • Used as a dusting powder for the treatment of eczema and parasitic skin diseases

    Mercuric Chloride

    • "Corrosive sublimate" or "Mercury bichloride"
    • Extremely poisonous
    • Germicidal
    • 0.10% concentration is used as a disinfectant hand wash
    • Used in preparing Yellow Lotion (Lotio flava, Yellow wash)

    Mercuric Cyanide

    • Antiseptic, antisyphilitic

    Mercuric Iodide

    • When mixed with KI, it forms Mayer's reagent which is used to test for alkaloids

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    Description

    Explore the fascinating properties and uses of various metal compounds including magnesium trisilicate and cupric sulfate. This quiz will test your knowledge on their chemical roles and applications in different scenarios. Ideal for students studying chemistry and metallurgy.

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