Mangan i Chrom Flashcards

(38 cards)

1
Q

Mn + 2H2O ->

A

Mn(OH)2 + H2

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2
Q

2Mn + O2 ->

A

2MnO

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3
Q

odczyn MnO

A

zasadowy

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4
Q

Odczyn Mn2O3

A

zasadowy

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5
Q

Odczyn MnO2

A

amfoteryczny

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6
Q

Odczyn MnO3 (K2MnO4)

A

kwasowy

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7
Q

Odczyn MnO7 (KMnO4)

A

kwasowy

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8
Q

Kolor Mn(OH)2

A

biały

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9
Q

kolor Mn2+

A

bezbarwny

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10
Q

Kolor Mn2O3

A

czarny

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11
Q

Kolor MnO2

A

czarny

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12
Q

Kolor MnO

A

ciemnozielony

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13
Q

MnO + 2HCl ->

A

MnCl2 + H2O

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14
Q

MnO + NaOH ->

A

nie reaguje

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15
Q

2Mn(OH)2 + O2 ->

A

2MnO2 * H2O

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16
Q

Mn(OH)2 + 2HCl ->

17
Q

Rozkład termiczny 2KMnO4

A

K2MnO4 + MnO2 + O2

18
Q

MnO2 + CaO ->

19
Q

MnO2 + 4HCl ->

A

MnCl2 + Cl2 + 2H2O

20
Q

3K2MnO4 + 2H2O ->

A

2KMnO4 + MnO2- + 4KCl + 2H2O

21
Q

Kolor MnO4 2-

22
Q

Kolor MnO4 -

23
Q

2KMnO4 + K2SO3 + 2KOH -> (w środowisku zasadowym do MnO4 2-)

A

2K2MnO4 + K2SO4 + H2O

24
Q

2KMnO4 + 3K2SO3 + H2O -> (w obojętnym na MnO2)

A

2MnO2 + 3K2SO4 + 2KOH

25
2KMnO4 + 5K2SO3 + 3H2SO4 -> (w kwasowym na Mn2+)
2MnSO4 + 6K2SO4 + 3H2O
26
Odczyn CrO
zasadowy
27
Odczyn Cr2O3
amfoteryczny
28
Odczyn CrO3
kwasowy
29
2CrO4 2- + H+ ->
Cr2O7 2- + H2O
30
Kolor CrO4 2-
żółty
31
Kolor Cr2O7 2-
pomarańczowy
32
Cr2O7 2- + 2OH- ->
2CrO4 2- + H2O
33
Kolor CrO3
czerwony
34
Kolor Cr2O3
szarozielony
35
Cr2O3 + 6NaOH + 3H2O ->
2 Na3[Cr(OH)6]
36
Cr2O3 + HCl ->
CrCl3 + H2O
37
Kolor Cr(OH)3
szarozielony
38
Cr(OH)3 + 3NaOH (nadmiar) ->
Na3[Cr(OH)6]