Group VIIA - The Fluorine group

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62 Terms

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fluo

to flow

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Fluorine

a pale yellow gas having a characteristic odor similar to ozone and chlorine

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Fluorine

most reactive, electronegative element

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Fluorine. F2

best oxidizing agent among the halogens

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Hydrofluoric acid

attacks or etches glass > “frosted surface“

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Sodium fluoride or Calcium fluoride

(fluorine) antiseptic at low concentration

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Sodium fluoride or Calcium fluoride

dental prophylactic - prevents dental carries

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Sodium fluoride or Calcium fluoride

antiseptic at low concentration

dental prophylactic - prevents dental carries

water disinfectant

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Zn fluosilicate solution

rinse for washing diaper acting as bactericide

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CCl2F2

Freon-12 (a chlorofluorocarbon, CFC)

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Teflon

polymer of tetrafluoroethylene

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Teflon

used as container of HF

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Chlorine

“dephologisticated muriatic acid“

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Chlorine

“oxygenated muriatic acid“

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Chlorine

greenish yellow gas having a suffocating odor and astringent taste

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Sodium hypochlorite

5% NaOCl - laundry bleaching agent

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Labarraque’s Solution

NaOCl diluted with equal volume of water

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Modified Dakin’s Solution

diluted NaOCl solution (0.5%)

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Hyclorite

Chlorinated soda solution

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Hyclorite

Modified Dakin’s Solution

(chlorine) Disinfectant, irrigating solution for wound

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Bleaching Powder

Chlorinated Lime, Chloride of Lime

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Bleaching Powder

CaOCl(Cl) H2O

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Halazone

(chlorine) Water disinfectant

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Chlorine dioxide

2.5x more effective than chlorine in water disinfection

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Chlorine dioxide

destroys unpleasant tastes and odors in water

not economical

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Hydrochloric acid

“muriatic acid”

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Hydrochloric acid

(chlorine) neutralizing, stabilizing or solubilizing agent

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Na, K and Ca chlorides

electrolyte replenisher (Ringer’s solution)

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Sodium chloride

“rock salt“

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Sodium chloride

renders solution to be isotonic

  • prescription “fiat isotonic collyrium“

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0.9% NaCl

Normal saline solution (NSS)

  • physiological salt solution

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Ammonium Chloride

Muriate of Ammonia

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Ammonium Chloride

Sal ammoniac

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Bromine

dark reddish-brown fuming liquid with unpleasant odor

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psychic weakness, poor memory, sexual impotence

  • Bromism - bromide rashes

inorganic bromides toxicity

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Bromine, Br2

Very irritant poison and powerful escharotic

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Koppeschaar’s Solution

0.1 N bromine solution

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Koppeschaar’s Solution

used in determination of phenols

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Iodine

grayish black solid having metallic luster and characteristic penetrating odor

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1g : 2950 mL of water

Solubility of Iodine

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Iodine

reddish brown in polar solvents (water)

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Iodine

violet in nonpolar solvents (CS2 CCL4, Chloroform)

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cornstarch or sodium thiosulfate

antidote for elementary I2

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Strong Iodine solution

“Lugol’s solution“

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Strong Iodine solution

5% iodine solution

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Strong Iodine solution

anti-goiterogenic

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NaI or KI

enhance the solubility of iodine through the formation of triiodide ion

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Iodine solution

2% iodine solution with NaI (more preferable than KI, more tolerable in tissues)

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Iodine tincture

2% iodine solution solution in 50% alcohol w/ NaI

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Iodine tincture

More irritating than iodine solution

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Iodine tincture

does not freeze in cold weather

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Sodium iodide

solubilizing agent in iodine solution

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Iodized oil

Iodine in vegetable oil

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Iodized oil

act as iodide

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Phenolated Iodine solution

“Boulton’s solution“

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Phenolated Iodine solution

“French mixture“

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Phenolated Iodine solution

“Carbolized iodine solution“

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Iodine-131

radioactive iodine for thyroid diseases and cancer

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phenobarbitals

bromine is replaced by ____

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emetic

strong solution of NaCl

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gastric acidifier

Diluted HCl

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freon-12

refrigerant

CCl2F2