Periodic Table (Halogens and Noble Gases)

The halogen of ___ weight will displace one of ___ atomic weight

lower and higher

What is the acidity trend of hydrohalic acids (HF HCl HBr HI)?

HI > HBr > HCl > HF

Halides are soluble except for which metals?

AgX, Hg2X2, PbX2

Cl- + AgNO3 → ?

AgCl↓ + NO3- (white curdy ppt, insoluble in HNO3)

AgCl↓ + 2NH3 → ?

[Ag(NH3)2]Cl

2Cl- + MnO2 + 2H2SO4 → ?

MnSO4 + Cl2↑ + 2H2O (yellowish-green suffocating gas)

Cl2 + 2KI → ?

2KCl + I2

I2 + KI + Starch → ?

starch-I3- complex (blue)

ClO3- + AgNO3 → ?

No precipitate formation

ClO3- + 3H2SO3 → ?

Cl- + 3H2SO4

What happens after ClO3- + 3H2SO3 → Cl- + 3H2SO4?

Cl- + AgNO3 → AgCl↓ + NO3- (white curdy ppt, insoluble in HNO3) then AgCl↓ + 2NH3 → [Ag(NH3)2]Cl

ClO3- → ?

Cl- + O2↑

3ClO3- + 3H2SO4 → ?

2ClO2↑ + ClO4- + 3SO42- + 4H+ + H2O (greenish-yellowish gas; decrepitation)

Br- + AgNO3 → ?

AgBr↓ + NO3- (yellowish-white curdy ppt; insoluble in HNO3, slightly soluble in NH4OH )

2Br- + Cl2 → ?

Br2↑ + 2Cl- (orange-red solution)

Br2↑ + Chloroform → ?

reddish-brown chloroform layer

I- + AgNO3 → ?

AgI↓ + NO3- (yellow curdy ppt, insoluble in HNO3 & NH4OH)

2I- + Cl2 → ?

I2↑ + 2Cl- (red solution)

I2↑ + Chloroform → ?

violet chloroform layer

I2 + KI + Starch → ?

starch-I3- complex (blue)

What is the anticariogenic action?

F-

What is the major extracellular anion?

Cl-

What is a pharmaceutical acid

Gastric Acid?,HCl

What is a CNS Depressant?

Br-

What are Thyroid hormones and Expectorant?

I-

What is an Antimicrobial?

I2

What noble gas is a diluent for O2 administration?

Helium

What noble gas creates a "Donald Duck" sound?

Helium

What is the most abundant noble gas?

Argon

What noble gas is a General anesthetic?

Krypton and Xenon

What noble gas is Radioactive

with limited utility in Cancer Treatment?,Radon

Copper (Cu2+) + Fe → ?

Fe2+ + Cu↓ (red film)

2CuSO4 + 2NH4OH → ?

Cu(OH)2∙CuSO4↓ + 2NH4+ (blue ppt)

Cu(OH)2∙CuSO4↓ + 8NH3 → ?

2[Cu(NH3)4]SO4 + 2OH- (deep blue coloration)

2Cu2+ + [Fe(CN)6]4- → ?

Cu2[Fe(CN)6]↓ (reddish-brown ppt, insoluble in diluted acids)

Cl- + AgNO3 → ?

AgCl↓ + NO3- (white curdy ppt, insoluble in HNO3)

AgCl↓ + 2NH3 → ?

[Ag(NH3)2]Cl

Ag+ + H2O + HCOH → ?

Ag↓ + HCOOH + 2H+ (silver mirror)

Copper in pharmacy

Facilitates Fe absorption and mobilization, Enzyme complexes

Silver in pharmacy

Protein precipitant, Astringent

Gold in pharmacy

Treatment for Rheumatoid arthritis

Zn2+ + H2S + 2CH3COONa → ?

ZnS↓ + CH3COOH (white ppt; insoluble in HAc, soluble in HCl)

Zn2+ + (NH4)2S → ?

ZnS↓ + 2NH4+ (white ppt; insoluble in HAc, soluble in HCl)

3Zn2+ + K4[Fe(CN)6] → ?

K2Zn3[Fe(CN)6]2 + 2K+ (white ppt; insoluble in HCl)

Hg22+ + Cu → ?

2Hg↓ + Cu2+ (bright silvery deposit)

Hg22+ + H2S → ?

Hg↓ + HgS↓ + 2H+ (black ppt; insoluble in (NH4)2S TS and boiling HNO3)

Hg22+ + 2NaOH → ?

Hg2O↓ + H2O + 2Na+ (black ppt)

Hg22+ + 2HCl → ?

Hg2Cl2↓ + 2H+ (white ppt)

Hg2Cl2↓ + 2NH3 → ?

Hg↓ + Hg(NH2)Cl↓ + NH4Cl (black ppt)

Hg22+ + 2KI → ?

Hg2I2↓ + 2K+ (yellow → green ppt)

Hg2+ + Cu → ?

Hg↓ + Cu2+ (bright silvery deposit)

3Hg2+ + 3H2S → ?

3HgS↓ + 6H+ (black ppt; insoluble in boiling HNO3)

Hg2+ + 2NaOH → ?

HgO↓ + H2O + 2Na+ (yellow ppt)

Hg2+ + 2KI → ?

HgI2↓ + 2K+ (scarlet ppt)

HgI2↓ + 2KI → ?

K2[HgI4]

Zinc in pharmacy

Enzyme complexes, ZnSO4: Astringent

What disease is associated with Cadmium?

Itai-itai disease

What disease is associated with Mercury?

Minamata disease

What element facilitates iron absorption and mobilization

Copper

The halogen of lower weight will displace one of higher atomic weight from its binary hydrogen compound or from salts thereof

What trend is described by: 2HI + Cl2 ⇌ 2HCl + I2?

What color is the silver mirror test?

Silver