Cin a Olovo Flashcards

1
Q

Sn sesnadno oxiduje

A

SnII → SnIV + 2e-

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2
Q

Pb se snadno redukuje

A

PbIV + 2e- → PbII

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3
Q

cínaté sloučeniny mají silné vlastnosti

A

redukční

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4
Q

olovičité sloučeniny mají silné vlastnosti

A

oxidační

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5
Q

cínovec

A

SnO2

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6
Q

Alotropické modifikace cínu

A

bílý β cín
γ cín
šedý α cín

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7
Q

Využití cínu

A
(pocínování)
konzervy
dráty
slitiny
výroba smaltů
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8
Q

Vlastnosti olova

A

toxický
výskyt pouze ve sloučeninách
na vzduchu se pokrývá vrstvou PbO

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