GROUP VIIB
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1
The only metal of pharmaceutical
importance in this group is
importance in this group is
Manganese
2
product of radioactive decay
Technetium
3
extremely rare although fair
amount of knowledge is available concerning
on its properties.
amount of knowledge is available concerning
on its properties.
Rhenium
4
A chemical element with the symbol Mn and
atomic number 25.
atomic number 25.
MANGANESE
5
Manganese occurs mostly as the
oxide, MnO2
6
manganese is used mainly in
alloy steels
7
a silvery-gray metal that resembles iron. It is hard and
very brittle, difficult to fuse.
very brittle, difficult to fuse.
MANGANESE
8
Manganese exhibits oxidation states of
2+, to 7+
9
The 2+ of manganese compounds are
good reducing agents
10
The permanganese ion (Mno4¯) is a
good oxidizing agent
11
Is a complex oxide of manganese containing both
di- and tri- valent manganese
di- and tri- valent manganese
Hausmannite
12
is a silicate mineral containing both di- and tri-
valent manganese
valent manganese
Braunite
13
salmon or flesh colored ppt of MnS
H2S:
14
purple solution of HMnO4 (permanganic acid)
NaBiO3:
15
Salmon-colored sulfur
- Trace element
- Trace element
Manganese Sulfide
16
Cofactor in CHON synthesis for riboflavin
- Phosphorylation, fatty acid and cholesterol synthesis
- Phosphorylation, fatty acid and cholesterol synthesis
Manganese Sulfide
17
Manganese sulfide poisoning
Similar to parkinsonism
18
Mineral chameleon
- Oxidizing agents, volumetric soln in permanganometry
- Oxidizing agents, volumetric soln in permanganometry
KMnO4
19
Technetium is also known as
Eka-manganese
20
1st element produced artificially
- Used in preparation of radiopharmaceuticals
- Diagnostic agent
- Used in preparation of radiopharmaceuticals
- Diagnostic agent
TECHNETIUM
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