Mangan i Chrom Flashcards by Julia Saik | Brainscape

Q

Mn + 2H2O ->

A

Mn(OH)2 + H2

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Q

2Mn + O2 ->

A

2MnO

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Q

odczyn MnO

A

zasadowy

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Q

Odczyn Mn2O3

A

zasadowy

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Q

Odczyn MnO2

A

amfoteryczny

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Q

Odczyn MnO3 (K2MnO4)

A

kwasowy

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Q

Odczyn MnO7 (KMnO4)

A

kwasowy

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Q

Kolor Mn(OH)2

A

biały

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Q

kolor Mn2+

A

bezbarwny

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Q

Kolor Mn2O3

A

czarny

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Q

Kolor MnO2

A

czarny

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Q

Kolor MnO

A

ciemnozielony

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Q

MnO + 2HCl ->

A

MnCl2 + H2O

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Q

MnO + NaOH ->

A

nie reaguje

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Q

2Mn(OH)2 + O2 ->

A

2MnO2 * H2O

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Q

Mn(OH)2 + 2HCl ->

A

MnCl2 + 2H2O

Q

Rozkład termiczny 2KMnO4

A

K2MnO4 + MnO2 + O2

Q

MnO2 + CaO ->

A

CaMnO3

Q

MnO2 + 4HCl ->

A

MnCl2 + Cl2 + 2H2O

Q

3K2MnO4 + 2H2O ->

A

2KMnO4 + MnO2- + 4KCl + 2H2O

Q

Kolor MnO4 2-

A

zielony

Q

Kolor MnO4 -

A

fioletowy

Q

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

A

2K2MnO4 + K2SO4 + H2O

Q

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

A

2MnO2 + 3K2SO4 + 2KOH

Q

2KMnO4 + 5K2SO3 + 3H2SO4 -> (w kwasowym na Mn2+)

A

2MnSO4 + 6K2SO4 + 3H2O

Q

Odczyn CrO

A

zasadowy

Q

Odczyn Cr2O3

A

amfoteryczny

Q

Odczyn CrO3

A

kwasowy

Q

2CrO4 2- + H+ ->

A

Cr2O7 2- + H2O

Q

Kolor CrO4 2-

A

żółty

Q

Kolor Cr2O7 2-

A

pomarańczowy

Q

Cr2O7 2- + 2OH- ->

A

2CrO4 2- + H2O

Q

Kolor CrO3

A

czerwony

Q

Kolor Cr2O3

A

szarozielony

Q

Cr2O3 + 6NaOH + 3H2O ->

A

2 Na3[Cr(OH)6]

Q

Cr2O3 + HCl ->

A

CrCl3 + H2O

Q

Kolor Cr(OH)3

A

szarozielony

Q

Cr(OH)3 + 3NaOH (nadmiar) ->

A

Na3[Cr(OH)6]