1B: Coinage Metals

Question 1

Occurrence of coinage metals

Answer 1

free or in complexes/ chelates

Question 2

easily recovered from ore

Answer 2

metallurgy

Question 3

only reddish metal

Answer 3

copper

Question 3

degree of malleability, conductor of heat and electricity

Answer 3

1st: Au
2nd: Ag
3rd: Cu

Question 4

Cuprum essential trace element

Answer 4

Copper

Question 5

Cuprous readily undergoes _________________

Answer 5

disproportionation

Question 6

Component of _______________ (respiratory pigment) and _____________ (with Fe)

(copper)

Answer 6

Hemocyanin; cytochrome oxidase

Question 7

Uses of copper

Answer 7

protein precipitant (heavy metal)

Question 7

Toxicity of copper

Answer 7

Wilson’s disease

Question 8

Treatment for Wilson’s disease

Answer 8

Penicillamine

Question 9

Obtained from furnace covered with black blisters

Answer 9

Blister Copper

Question 10

2 important alloys: Brass ( ___+___ ); Bronze ( ___+___ )

Answer 10

Cu + Zn; Cu + Sn

Question 11

Argentum, shining bright

Answer 11

Silver

Question 12

Uses of silver

Answer 12

• Oligodynamic property- germicidal action: ability of certain heavy metals to inhibit
• Protein precipitant

Question 13

Toxicity of silver

Answer 13

argyria

Question 14

Antidote of argyria

Answer 14

NSS

Question 15

Strong Ag proteinate

Answer 15

Protargol

Question 16

Mild Ag proteinate

Answer 16

Argyrol

Question 16

Silver proteinates:

Answer 16

• Argyrol
• Protargol
• Collargol
• Lunosol

Question 16

(19%-23%) Eye antiseptic

Answer 16

Argyrol

Question 17

Colloidal AgCl

Answer 17

Lunosol

Question 17

Colloidal Ag proteinate

Answer 17

Collargol

Question 17

(7.5% - 8.5%) ENT germicide

Answer 17

Protargol

Question 18

Aurum, shining dawn, king of all metals

Answer 18

Gold

Question 18

(18-22%) Gen germicide

Answer 18

Collargol

Question 19

Silver proteinates stabilizer

Answer 19

EDTA

Question 20

Gold is dissolved by

Answer 20

- aqua regia: HCl + HNO3 (3:1) - selenic acid: H2SeO4

Question 21

Only single acid that can dissolve gold

Answer 21

selenic acid

Question 22

Use of gold

Answer 22

DMARDs (RA, gout)

Question 23

Gold preps

Answer 23

- aurothioglucose (solganal*), IM - gold sodium thiomalate (Myochrysin*), IM - auranofin (Ridaura*), PO

Question 24

Side effect of auranofin

Answer 24

glossitis

Question 25

colloidal gold with stannic hydroxide

Answer 25

purple of cassius