GROUP VIIA FLUORINE GROUP

Halogens

salt-formers

the fluorine group

halogens - salt formers

fluo

to flow

fluorine

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

• most reactive, electronegative element

Fluorine F2

best oxidizing agent among the halogens

hydrofluoric acid

attacks or etches glass —> frosted surface

sodium/calcium fluoride

• antiseptic at low concentration

• dental prophylactic

• water disinfectant

dental prophylactic

prevents dental carries

fluorosis

in white or brown speckles on teeth

Zn fluosilicate solution

rinse for washing diaper acting as bactericide

CCl2F2

• freon-12

• refrigerant

teflon

polymer of tetrafluoroethylene

chlorine

• dephlogisticated muriatic acid

• oxygenated muriatic acid

• greenish yellow gas

• suffocating odor and astringent taste

sodium hypochlorite

• 5% NaOCl - laundry bleaching agent

• LABARRAQUE’S SOLUTION

• MODIFIED DAIKINS SOLUTION

LABARRAQUE’S SOLUTION

• NaOCl diluted with equal volume of water

• oxidizing and bleaching agent

modified daikin’s solution

• diluted naocl solution

• disinfectant, irrigating solution for wound

hychlorite

• chlorinated soda solution

• disinfectant, irrigating solution for wound

bleaching powder

• chlorinated lime

• chloride of lime

• CaOCl(Cl)H2O

• Disinfectant, bleaching agent

water disinfectant

use of halazone

chlorine dioxide

• 2.5x more effective than chlorine in water disinfection

• destroys unpleasant tastes and odors in water

• not economical

hydrochloric acid

• muriatic acid

• neutralizing, stabilizing or solubilizing agent

diluted HCl

gastric acidifier

Na, K, Ca chlorides

• electrolyte replenisher

• ringer’s solution

Sodium chloride

• rock salt

• electrolyte replenishment

• renders solution to be isotonic

• normal saline solution, 0.9% NaCl

emetic

use of strong solution of NaCl

ammonium chloride

• muriate of ammonia

• sal ammoniac

• expectorant, diuretic

bromine

• dark reddish-brown fuming liquid with unpleasant odor

sodium iodide

• solubilizing agent in iodine solution

• histolytic

• expectorant

iodized oil

• iodine in vegetable oil

• acts as iodide

hydroiodic acid syrup

expectorant (iodine compound)

phenolated iodine solution

• boulton’s solution

• french mixture

• carbolized iodine solution

• disinfectant, counter-irritant

iodine-131

radioactive iodine for thyroid diseases and cancer