8B: Iron Triad Flashcards

1
Q

1st triad:

A

Fe, Co, Ni (Valence: +2, +3)

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1
Q

2nd Light triad

A

Rh, Ru, Pd*

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2
Q

3rd Heavy Triad:

A

Os, Ir, Pt*

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2
Q

Pd or Pt converting alkyne/alkene into alkane

A

lindlar catalyst

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3
Q

Ferrum

A

Iron

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3
Q

Catalyst in finely divided steel

A

Pd, Pt

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4
Q

Common ores of iron

A
  • hematite
  • pyrite
  • Iron stone
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4
Q

(Fe2O3)

A

Hematite

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4
Q

Most important element in engineering

A

Iron

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4
Q

Physiologic iron

A

Fe^2+

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5
Q

Fool’s gold (native FeS2)

A

pyrite

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6
Q

FeCO3 in Chalybeate pills/ferrunginous pills

A

iron stone

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7
Q

Fe in the blood

A

hemoglobin

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7
Q

Iron present in protein

A
  • hemoglobin
  • transferrin
  • ferritin
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8
Q

transport form of the Fe in the body

A

Transferrin

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9
Q

storage form of Fe in the body

A

Ferritin

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10
Q

Cytochrome oxidase

A

(Fe and Cu)

11
Q

uses of iron

12
Q

Iron is treatment for:

A

microcytic, hypochromic anemia (IDA) (FeSO4)

13
Q

Toxicity of Iron

A
  • GIT distress
  • cardiac collapse
14
Q

antidote for
- GIT distress
- cardiac collapse

A

Deferroxamine

15
Q

Iron forms

A
  • Cast/pig iron
  • Wrought Iron
  • Cementite/ white cast Iron
  • Gray cast Iron/ graphite scales
15
Q

Best known hypothesis of Fe absorption in Duodenum

A

Mucosal block postulation by Hahn

16
Q

from blast furnace (92-94% Fe)

A

Cast/pig iron

17
Vit B12 (cyanocobalamin, as __^2+; RBC & Hgb dev), enhances beer's foam quality (fd in Colt 45)
Cobalt
17
Removal of cast Iron impurities (99.9% Fe)
Wrought Iron
18
Solid soln of hard, brittle Fe carbide
Cementite/ white cast Iron
19
Liq. Fe Is run Into sand molds & allowed to cool
Gray cast Iron/ graphite scales
20
(+) Permanent magnets
Cobalt
21
Deficiencies in cobalt
megaloblastic/macrocytic anemia and pernicious anemia
22
treatment for megaloblastic/macrocytic anemia and pernicious anemia
cyanocobalamin
22
use of nickel
Fancy jewelries, fossil fuel
22
Old nick's copper; found in fossil fuel
nickel
23
Light triad
- rhodium Rh - ruthenium Ru - palladium Pd
24
Ru complexes:
anticancer
25
Heavy triad
- osmium - iridium - platinum
25
use of osmium
staining of specimens for electron microscope
26
Heaviest/ densest metal
Osmium
27
forms of osmium
Osmium tetroxide, osmic acid
28
Noble metal (low oxidation & reactivity)
Platinum