Schematy redox Flashcards

1
Q

Pasywacja definicja

A

pokrywanie się ochronną warstwą tlenku lub trudnorozpuszczalnej soli zabezpieczającą przed działaniem stężonych kwasów

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2
Q

Coś + HNO3 (stęż) -> pasywacja

A

Fe, Cr , Al

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3
Q

Coś + H2SO4 (stęż) —> pasywacja

A

Fe, Cr , Al

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4
Q

Al, Fe, Cr + H2SO4 ( rozc)

A

Al2(SO4)3 / Fe2(SO4)3 / Cr2(SO4)3 + WODÓR

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5
Q

Cu, Ag, Hg + H2SO4 (rozc)

A

nie zachodzi

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6
Q

Metal aktywny + H2SO4 (rozc)

A

sól + H2

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7
Q

Cu, Ag, Zn / Hg + HNO3 (stęż)

A

Cu(NO3)2 / AgNO3 / Zn(NO3)2 / Hg(NO3)2 + NO2 + H2O

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8
Q

Cu, Ag, Zn + HNO3 (rozc)

A

Cu(NO3)2 / AgNO3 / Zn(NO3)2 + NO + H2O

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9
Q

NH4Cl + KOH

A

KCl + NH3 + H2O

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10
Q

Zn + HNO3 (3% - 9%)

A

Zn(NO3)2 + NH4NO3 + H2O

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