Mangan Flashcards

0
Q

Manganové konkrece

A

4 atropické modifikace

Oceánské dno

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1
Q

Mangan

A
Mn
Křehký, stříbrno lesklý 
Koroze
Nezbytný pro metabolismus
Zist aluminotermie
Reaguje se zředěnými kys. a nekovy
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2
Q

Mn + 2 HCl
3 Mn + 2 O2
Mn + Cl2

A

MnCl2 + H2
Mn3O4
MnCl2

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3
Q

MnO2

A

Burel, pyrolusit
Sloučenina Mn2+
Suché články, katalyzátory, televizory
Sklářské mýdlo

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4
Q

Slouceniny Mn2+

MnS
Mn2+ + 2 OH-

A

MnS pleťová barva

Mn(OH)2 (na vzduchu MnO(OH)2 hnědá srazenina)

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5
Q

MnO2 + 4 HCl

2 MnO2 + 2 H2SO4

A

MnCl2 + Cl2 + 2 H2O

2 MnSO4 + O2 + 2 H2O

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6
Q

Mn6+

2 KmnO4
2 KMnO4 + 2 KOH

A

K2MnO4 + MnO2 + O2

2 K2MnO4 + H2O + 1/2 O2

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7
Q

KMnO4

A

Silně oxidační činidlo
Manganometrie
Dezinfekce pitné vody

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8
Q

Mn7+

2KMnO4 + 16 HCl
5 (COO)2 2- + 2 MnO4- + 16 H+
5 Fe2+ + MnO4- + 8H+
5 SO3 2- + 2 MnO4- + 6 H+
2 MnO4 + 5 H2O2 + 6 H+
A
2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
2 Mn2+ + 8 H2O + 10 CO2
5 Fe3+ + Mn2+ + 3 H2O
5 SO4 2- + 2 Mn 2+ + 3 H2O
2 Mn2+ + 5 O2 + 8 H2O
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