Group VIA - The Oxygen Group Quiz

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Questions and Answers

What is a primary use of potassium permanganate?

  • As a disinfectant and deodorant (correct)
  • As a treatment for amenorrhea
  • As a tonic for anemia
  • As an artificial air component

Which of the following noble gases is used for high-speed photography?

  • Krypton (correct)
  • Argon
  • Radon
  • Neon

What does technetium-99m primarily serve as?

  • A radioactive tracer for medical imaging (correct)
  • An anesthetic
  • A natural biological element
  • A disinfectant

Which statement about manganese dioxide is true?

<p>It functions as an alterative tonic. (C)</p> Signup and view all the answers

What is the chemical nature of the noble gases listed, except for radon?

<p>Chemically inert and stable (B)</p> Signup and view all the answers

Which of the following elements is considered the most abundant in the human body by weight?

<p>Oxygen (C)</p> Signup and view all the answers

What is the chemical formula of sulfuric acid?

<p>H2SO4 (B)</p> Signup and view all the answers

Which of the following is NOT a use of sulfur?

<p>Treatment of water (D)</p> Signup and view all the answers

What is the common term for sulfur trioxide (SO3)?

<p>Oil of vitriol (D)</p> Signup and view all the answers

Which property is associated with oxygen?

<p>Colorless, odorless, tasteless gas (B)</p> Signup and view all the answers

What causes hydrogen sulfide (H2S) to have a distinct odor?

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Which allotrope of sulfur is described as crystalline and has the form known as 'flowers of sulfur'?

<p>Rhombic sulfur (A)</p> Signup and view all the answers

What is the primary action of selenium at toxic doses?

<p>Leads to paralysis of blood vessels (B)</p> Signup and view all the answers

What is the primary use of Nickel in its alloy form?

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Which statement accurately describes Palladium?

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What makes Platinum more expensive than Gold?

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Which of the following is a side effect of Cisplatin?

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Which characteristic differentiates Carboplatin from Cisplatin?

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In which condition is Oxaliplatin considered most effective?

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What is the Latin name for Iron, and what does it mean?

<p>Ferrum - 'strong' (B)</p> Signup and view all the answers

Which form of Iron is colorless in its anhydrous state?

<p>Ferrous salts (B)</p> Signup and view all the answers

What is the primary characteristic of hydrogen gas?

<p>It is a colorless, tasteless, and odorless gas. (D)</p> Signup and view all the answers

Which process is NOT a method of obtaining hydrogen gas?

<p>Fractionation of air (D)</p> Signup and view all the answers

Which isotope of hydrogen is known to be radioactive?

<p>Tritium (Hydrogen-3) (D)</p> Signup and view all the answers

What is one major application of hydrogen in industrial processes?

<p>Hydrogenation of edible oils (C)</p> Signup and view all the answers

What is the main constituent of alkaline water?

<p>Sodium and magnesium sulfates with sodium bicarbonate (D)</p> Signup and view all the answers

Which compound is considered the most common and least expensive iron supplement?

<p>Ferrous sulfate (B)</p> Signup and view all the answers

What is the main function of myoglobin in the human body?

<p>Facilitating oxygen use and storage in muscles (D)</p> Signup and view all the answers

Which of the following is known as an antidote for arsenic poisoning?

<p>Ferric hydroxide (D)</p> Signup and view all the answers

What is the main characteristic of cobalt as it pertains to blood formation?

<p>It stimulates hematopoiesis. (C)</p> Signup and view all the answers

Which iron preparation is reported to cause black stool as a common side effect?

<p>Ferrous sulfate (B)</p> Signup and view all the answers

What is the primary use of potassium ferricyanide?

<p>As a laboratory reagent (D)</p> Signup and view all the answers

What does osmium tetroxide primarily serve as in histology?

<p>A hardening agent for specimens (A)</p> Signup and view all the answers

Which of the following is the most expensive iron supplement mentioned?

<p>Ferrous fumarate (C)</p> Signup and view all the answers

Which of the following compounds is known for its use as a disinfectant and has been found to be 2.5 times more effective than chlorine in water disinfection?

<p>Chlorine Dioxide (A)</p> Signup and view all the answers

What color is chromic oxide, a compound of chromium?

<p>Green (B)</p> Signup and view all the answers

What is the primary use of potassium dichromate?

<p>Treatment of gastric ulcers (A), Indicator for titrimetric analysis (D)</p> Signup and view all the answers

Which element is described as the most reactive and electronegative among them?

<p>Fluorine (A)</p> Signup and view all the answers

What is a potential result of bringing chromium trioxide into contact with organic substances?

<p>Serious explosions (B)</p> Signup and view all the answers

What form of iodine can be used as a local germicide?

<p>Lugol's solution (B)</p> Signup and view all the answers

What is ammonium chloride commonly used for?

<p>Expectorant (A)</p> Signup and view all the answers

Which compound is known to etch glass, resulting in a frosted appearance?

<p>Hydrofluoric acid (B)</p> Signup and view all the answers

What is the main use of tungsten in industry?

<p>Filaments in electric light bulbs (B)</p> Signup and view all the answers

What condition is associated with excessive fluoride exposure?

<p>Fluorosis (C)</p> Signup and view all the answers

Which compound is used in determination of phosphates?

<p>Ammonium molybdate (D)</p> Signup and view all the answers

What is the common property of sodium and potassium chlorides?

<p>Electrolyte replenisher (B)</p> Signup and view all the answers

What is the main use of uranyl nitrate in medicine?

<p>Treatment of spreading sluggish ulcers (A)</p> Signup and view all the answers

Which compound of iodine is noted for its histolytic properties?

<p>Iodine tincture (C)</p> Signup and view all the answers

Flashcards

Oxygen Group Elements

Elements in group VIA of the periodic table, including oxygen, sulfur, selenium, and tellurium.

Oxygen

A diatomic gas (O2), essential for respiration, making up 20% of the atmosphere, and the most abundant element in the human body by weight.

Sulfur

A pale yellow, brittle solid with various allotropes, used in sulfuric acid production and rubber vulcanization.

Sulfur Properties

Sulfur exists in multiple forms, including rhombic and monoclinic crystalline structures, and amorphous forms.

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Sulfuric Acid

A strong acid (H2SO4) used in various industrial processes, including fertilizer production and ore processing.

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Selenium

A chemical element (Se) with properties similar to sulfur, used in some semiconductor applications and cosmetics.

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Tellurium

A chemical element (Te), with properties similar to selenium, used in alloys and semiconductors.

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Allotropes of Sulfur

Different forms of the same element that have different physical and chemical structures.

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Selenic Acid

Strong Oxidizing acid (H2SeO4) that can dissolve gold.

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Manganese Group

Group VIIB elements, chemically and geologically similar to iron.

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Manganous Citrate

Soluble manganese citrate used as a tonic, enhancing iron's blood-boosting effect.

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Manganese Dioxide

Alterative tonic treating amenorrhea (lack of periods).

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Manganous Carbonate

Used to treat anemia.

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Potassium Permanganate

Oxidizing agent, disinfectant, and deodorant.

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Technetium

Artificial element, produced in labs, with no normal biological role.

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Technetium-99m

Radioactive tracer used in medical imaging.

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Noble Gases

Group VIIIA elements, chemically inert and monoatomic.

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Helium

Noble gas, used in anesthesia and artificial air.

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Neon

Noble gas, used in signs due to bright reddish-orange light.

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Argon

Noble gas used to preserve food packaging.

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Krypton

Noble gas used in high-speed photography.

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Xenon

Noble gas used as anesthetic (expensive).

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Radon

Noble gas, formed from radium decay, potentially used for cancer treatment.

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Chromium Uses

Hardening steel, corrosion protection, and in various compounds like chromium trioxide.

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Chromium Trioxide

A powerful oxidizing agent, caution: avoid contact with organic materials.

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Molybdenum Uses

Used in determining phosphates, but NOT used in medicine.

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Tungsten Use

Filaments in light bulbs, critical in electric applications due to high melting point.

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Uranium Properties

Radioactive and used in specialized treatments for slow-healing ulcers.

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Fluorine Properties

Highly reactive and reactive, most electronegative element, etches glass.

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Hydrofluoric Acid

Eats through glass; requires special caution due to extreme corrosiveness.

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Sodium Fluoride Uses

Dental prophylactic to prevent cavities, also a water disinfectant.

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Chlorine Uses

Bleach, disinfectant, water treatment, used in medicine as well

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Sodium Hypochlorite

Bleach, disinfectant, and laundry aid (lab solution).

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Hydrochloric Acid

Stabilizing, neutralizing agent, also used as gastric acidifier.

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Sodium Chloride

Electrolyte replenisher and stabilizer for isotonic solutions.

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Bromine Properties

Powerful irritant and escharotic; not used in medicine.

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Iodine Properties

Grayish-black solid, important in antiseptic solutions but toxic in elementary form.

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Iodine Tincture

Iodine and alcohol; used as antiseptic but more irritating

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Hematinic

A substance that stimulates red blood cell production.

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Iron

Essential trace element in hemoglobin and myoglobin for oxygen transport and muscle function

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Hemoglobin

Oxygen-transport metalloprotein in red blood cells.

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Myoglobin

Facilitates oxygen use and storage in muscles.

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Iron-Deficiency Anemia

A condition caused by low iron levels, resulting in lethargy and weakness.

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Ferrous Sulfate

Common, inexpensive iron supplement. Can cause gastric discomfort.

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Ferric Ammonium Citrate

Less effective iron supplement than ferrous sulfate.

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Cobalt

Essential trace element stimulating blood cell formation.

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Cobaltous Oxide

A paint pigment.

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Cobaltous Chloride

Used to make invisible inks.

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Osmium Tetroxide

Chemical hardening and coloring agent (black) used in histology

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Prussian Blue

Ferric Ferrocyanide, antidote for thallium poisoning

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Nickel's Alternate Name

The name "Kupfernickel" translates to "Satan or Devil's Copper" due to its confusing resemblance to copper.

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Nickel Alloy Example

German silver is an alloy containing nickel, copper, and zinc.

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Palladium's Use (Gas Analysis)

Palladium is used as an adsorbent for hydrogen in gas analysis.

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Palladium's Applications

Palladium is used in gold jewelry, dental practices, and coating reflectors.

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Platinum's Alternate Name

Platinum's Spanish name, "platina," means "small silver" highlighting its silver-like appearance.

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Platinum's Resistance

Platinum is highly resistant to corrosion.

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Platinum's Dissolving Agent

Platinum dissolves in aqua regia.

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Platinum's Usage in Labware

Platinum is used to make crucibles, dishes, and wires.

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Platinum's Relative Price

Platinum jewelry is more expensive than gold due to its scarcity and properties.

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Platinum Black

Finely divided platinum, a powerful catalyst.

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Cisplatin's Function

Cisplatin is an anticancer drug that binds to DNA and causes cross-linking, leading to apoptosis.

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Cisplatin's Side Effects

Side effects include nausea, vomiting, kidney damage, hearing loss, and nerve damage.

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Carboplatin's Relation to Cisplatin

A second-generation platinum-based anticancer drug, less reactive and less kidney/ear toxic than cisplatin.

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Oxaliplatin's Treatment

A third-generation platinum-based anticancer drug, most effective in combination with 5-fluorouracil and leucovorin for colon cancer.

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Iron's Latin Name

The Latin name for iron is Ferrum, meaning strong.

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Iron's Wide Application

Iron is a widely used metal due to its low production cost and high strength.

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Hydrogen gas (Hâ‚‚)

A colorless, odorless, and tasteless gas; a reducing agent.

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Hydrogen isotopes

Different forms of hydrogen with varying numbers of neutrons, like protium, deuterium, and tritium.

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Steel's composition

An alloy of iron and carbon

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Iron's Occurrence

Iron can be found in various naturally occurring forms like magnetite and hematite.

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Protium

The most common isotope of hydrogen, containing one proton and one electron.

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Deuterium

A stable isotope of hydrogen with one proton and one neutron.

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Iron's resistance to oxidation

Pure iron resists oxidation, but impurities often cause rusting.

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Tritium

A radioactive isotope of hydrogen with one proton and two neutrons.

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Deuterium oxide

A form of water (Dâ‚‚O) with deuterium instead of protium.

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Hydrogen Uses

Used in various applications, including Haber process, balloon inflation, and hydrogenation.

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Mineral water types

Natural water sources characterized by specific mineral content.

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Alkaline water

Mineral water containing sodium and magnesium sulfates, and sodium bicarbonate.

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Carbonated water

Water with carbon dioxide dissolved under pressure.

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Chalybeate water

Mineral water with iron.

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Lithia water

Mineral water containing lithium carbonates or chlorides.

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Saline water

Mineral water with sodium and magnesium sulfates + sodium chloride.

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Sulfur water

Mineral water with hydrogen sulfide.

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Siliceous water

Mineral water with alkali silicates.

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Study Notes

Group VIA - The Oxygen Group

  • Group VIA elements include O, S, Se, Te
  • These elements are also known as chalcogens, meaning ore-forming
  • Oxygen (O)
    • Synonyms: "yne" (ancient Chinese), empyreal/fire air (Scheele), dephlogisticated air (Priestley), Oxygen ("acid former") (Lavoisier)
    • Diatomic molecule (O2)
    • Colorless, odorless, tasteless gas
    • 20% by weight of air
    • Contributes 8/9 by weight of water
    • 3rd most abundant element in the universe
    • Most abundant element in the human body by weight

Sulfur (B11.2)

  • Synonyms: brimstone, burning stone, phlogiston
  • Pale yellow, odorless, brittle solid
  • Industrial uses: sulfuric acid production, rubber vulcanization
  • Allotropes: crystalline (flowers/sublimed sulfur), rhombic/alpha sulfur, monoclinic/beta sulfur, amorphous, liquid sulfur (plastic sulfur)
  • Uses: cathartic, parasiticide (scabies), stimulant (alopecia), fumigation, skin disease treatment
  • Preparations: precipitated sulfur, sublimed sulfur, washed sulfur, sulfurated lime solution, alkaline sulfur ointment, compound sulfur ointment

Selenium and Tellurium

  • Greek roots: Selene ("moon"), Tellus ("earth")
  • Similar to arsenic (intestinal irritation)
  • Toxic doses lead to blood vessel paralysis

Group VIB - The Chromium Group

  • Group VIB elements include Cr, Mo, W, U
  • Chromium (Cr)
    • Highly colored compounds
    • Uses: steel hardening, corrosion protection
    • Compounds: chromium trioxide (chromic anhydride/acid), chromic oxide, chromic hydroxide, chromic nitrate, chromic phosphate, potassium chromate, potassium dichromate
    • Uses in tanning, bleaching, treating gastric ulcers, titrimetric analysis of silver compounds

B12.2 Molybdenum (Mo)

  • Used in phosphate determination

B12.3 Tungsten (W)

  • Used as filaments in light bulbs

B12.4 Uranium (U)

  • Radioactive
  • Used in treatment of spreading sluggish ulcers, titrimetric analysis of phosphoric acid

Group VIIA - The Fluorine Group

  • Group VIIA elements are halogens, meaning "salt-formers"
  • Fluorine (F2)
    • Pale yellow gas, characteristic odor similar to ozone and chlorine
    • Most reactive and electronegative element
    • Attacks/etches glass ("frosted surface")
    • Uses: antiseptic at low concentrations, preventing dental cavities, water disinfectant.

Chlorine (Cl2)

  • Greenish-yellow gas, suffocating odor, astringent taste
  • Compounds: sodium hypochlorite (bleaching), hypochlorite ("chlorinated soda"), bleaching powder, chlorine dioxide, hydrochloric acid
  • Uses: disinfectants, water treatment, wound irrigation, electrolyte replenishment

Bromine (Br2)

  • Dark reddish-brown, unpleasant odor

Iodine (I2)

  • Grayish-black solid, metallic luster, characteristic penetrating odor
  • Solubility: 1 g dissolves in 2950 mL of water
  • Allotropes: red/brown in water, violet in nonpolar solvents (CS2, CCl4, chloroform)
    • Used as a disinfectant, counter-irritant.
    • Treatment for thyroid disease

B13.4 Iodine

  • Grayish-black solid with metallic luster and characteristic odor
  • Solubility: 1 g dissolves in 2950 mL of water
  • Antidote (if toxic amounts are ingested): cornstarch or sodium thiosulfate
  • Synonyms: Lugol's solution, 2% iodine, iodine tincture

Group VIIB - The Manganese Group

  • Chemically and geologically related to iron
  • Compounds: manganous citrate, manganese dioxide, manganous carbonate, potassium permanganate

Group VIIIA - The Neon Group

  • Noble gases: inert, stable, monoatomic
  • Compounds: are rare
  • All except radon occur in the atmosphere
  • Uses: Inert atmospheres, lighting, etc.

B16.1 Nickel (Ni)

  • Used extensively in alloys (e.g., utensils, coins, surgical instruments)

B16.2 Palladium (Pd)

  • Used as an adsorbent for hydrogen in gas analysis, in alloys

B16.3 Platinum (Pt)

  • Resistant to corrosion
  • Used in crucibles, dishes, platinum wires
  • More expensive jewelry than gold
  • Platinum black: finely divided, powerful catalyst

Organoplatinum Compounds

  • Cisplatin, carboplatin, oxaliplatin, satraplatin
  • Anticancer agents

B16.4 Iron (Fe)

  • Important metal, widely used
  • Exists as ferrous (Fe2+) and ferric (Fe3+) salts

B16.5 Cobalt (Co)

  • Pinkish-white metal
  • Stimulates hematopoiesis (blood cell production)
  • Used in pigments (e.g., Rinman's green), antiseptic powders

B16.6 Rhodium (Rh)

  • Alloyed with platinum for increased durability

Osmium (Os)

  • Heaviest, densest element
  • Used in hardening and coloring histological samples

Hydrogen (Hydrogen)

  • Colorless, tasteless, odorless gas
  • Common name for its gas is "water-producing" (A Lavoisier)
  • Reducing agent with Pd, Ni, Pt catalysts
  • Used: in Haber process, inflating balloons, hydrogenation, high-temperature production with oxygen

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