fosfor zluceniny Flashcards

1
Q

oxidy

A

P2O3 P2O5 dimerizuju

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2
Q

ako vznikajú tieto oxidy

A

horenia P4
P4->P4O6->P4O10-> hygroskopickx

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3
Q

reakcie oxidov P s H2O

A

P4O10+H2O->4H3PO4

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4
Q

H3PO4

A

stredne silná
3 sytna nemá oxidačný ocinkj pasivuje väčšinu kovov

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5
Q

soli H3PO4

A

fosforecnany
hydrogenfosforecnany
dihydrogenfosforecnany

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6
Q

využitie H3PO4

A

odstraňovanie hrdze

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