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level: GROUP IIIA Elements

Questions and Answers List

level questions: GROUP IIIA Elements

QuestionAnswer
gives rise to alums (double salts)GROUP IIIA or Boron Family
Oxidation number of Boron Family+1, +3
nonmetal appears only in the +3 oxidation state certain properties resemble Si Toxic Type 1 glass - Parenteral preparationsBoron
Boron compounds1 Boric acid 2 Sodium tetraborate
known as Sal sativumBoric acid
Toxicity of Boric acidLOBSTER APPEARANCE
known as borax or Dobell's solution (aqueous solution)Sodium tetraborate (Na2B4O7.10H2O)
Boric acid uses: Sodium tetraborate (Na2B4O7.10H2O) uses:Boric acid: eyewash (2% w/v – hypertonic; 1.73% w/v – isotonic) Sodium tetraborate: antiseptic; eyewash (1%- 2%); wet dressing for wounds
most abundant metal 3rd most abundant element It is also amphotericAluminum (Al)
Pharmaceutical uses of Aluminum (Al)stimulate tissue growth for burn patients
known as Cobalt blue, Thenard's blueAluminum (Al)
Toxicity of Aluminum (Al) and its antidoteToxicity: Shaver's disease (Bauxite Fibrosis) Antidote: Deferoxamine
Another name for Shaver's diseaseBauxite Fibrosis
Natural source of Aluminumcryolite (3NaF.AlF3)
Pharmacologic actions of Aluminum (Al):1 constipation; 2 astringent; 3 antiperspirant in deodorant; 4 thin Aluminum foil is used to treat burns
Compounds of Aluminum1 Aluminum chloride (AlCl3) 2 Aluminum hydroxide (Al(OH)3) 3 Aluminum phosphate (AlPO4) 4 Aluminum carbonate (Al(CO3)3) 5 Alum (KAl(SO4)2).12H2O 6 Aluminum oxide (Al2O3)
Aluminum chloride (AlCl3) other name and its usesAluminum chlorohydrate Uses: 1 astringent; 2 antiseptic; 3 antiperspirant; 4 deodorant
Aluminum hydroxide (Al(OH)3) other names, its effects and its usesAmphogel; Cremalingel Effects: Phosphate deficiency (Interferes with phosphate absorption) Uses: Antacid
Aluminum phosphate (AlPO4) other names, and usesPhosphagel Uses: antacid Note: Does not cause Phosphate deficiency
Used for treatment of phosphatic calculiAluminum carbonate (Al(CO3)3)
Alum (KAl(SO4)2).12H2O uses1 Astringent 2 Antiperspirant (deodorant)
Aluminum oxide (Al2O3) other names and usesAlumina Uses: Treatment of silicosis
What is silicosisFatal lung disease caused by breathing dust containing crystalline silica particles, a basic component of sand and granite.
Aluminum silicates1 Kaolin 2 Bentonite 3 Pumice
Known as china clay, white bole native hydrated Al silicateKaolin
Kaolin uses1 adsorbent; 2 dusting powder; 3 for mild diarrhea
Known as soap clay, mineral soap, bentonite magma (5%) native colloidal hydrated Al silicateBentonite
Bentonite uses1 suspending agent
porous rock of volcanic origin complex silicate of Al, Na and KPumice
Pumice uses1 dental abrasive 2 filter medium and dispersing agent (powdered form)