Fosfor Flashcards

1
Q

Bezkyslikate slouceniny

A

Fosfidy, fosfan, fosfoniove soli

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2
Q

Kyslikate slouceniny

A

P4O6, P4O10, h3po4

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3
Q

Jak se pripravuji fosfidy

A

Zahrivanim cerveneho fosforu s kovy pri vysoke teplote a ochranne atmosfere

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4
Q

Jak se pripravuje fosfan z fosfidu

A

Hydrolyzou fosfidu
Reakci se zredenymi kyselinami

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5
Q

Priprava fosfanu

A

Ca3p2+6h2o->2ph3+3ca(oh)2

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6
Q

Vyroba fosfanu

A

Alkalicka hydrolyza bileho fosforu

p4+3koh+3h20->ph3+3kh2po2

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7
Q

Jak vznikaji fosfoniove soli

A

Reakci fosfanu se silnymi kyselinami

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8
Q

Rozklad ph4i

A

Ph4i->hi+ph3

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9
Q

Vznik fofoniovych soli rovnice

A

Ph3+hcl->ph4cl

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10
Q

Reakce fosfoniove soli s hydroxidy

A

Ph4i+koh->ph3+ki+h2o

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11
Q

Jak vznika oxid fosfority dimer

A

Rizenym spalovanim fosforu

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12
Q

Jak vznika p4o10

A

Spalovanim fosforu v nadbytku sucheho vzduchu

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13
Q

Rovnice vzniku p4o10

A

P4+5o2->p4o10

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14
Q

V cem se vyuziva kyselina trihydrogenfosforecna

A

Potravinarstvi (okyselovani napoju)
Antikorozni uprava kovu - FOSFATOVANI

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15
Q

Jake 3 typy soli tvori h3po4

A

Fosforesnany
Hydrogenfosforecnena
Dihydrogenfosforecnany

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16
Q

Termicky zpusob vyroby h3po4

A

P4+5o2->p4o10

P4o10+6h20->4h3po4

17
Q

Co se nachazi v kostech a zubech?

A

Ca3(po4)2

18
Q

Zmekcovadlo vody

A

Na5p3o10 - trisfosforecnan sodny

19
Q

Vlastnosti p4

A

Nejreaktivnejsi
Samozapalny
Jedovaty
Mekky
Pary sviti
Smrtelna davka pro cloveka 0,15g D50

20
Q

Vlastnosti P

A

Neni jedovaty
Vznik bileho fosforu zahrivanim v inertni atmosfere
Na skrtatku zapalek
Retezova struktura

21
Q

Vlastnosti cerneho fosforu

A

Krytalicky kovovy lesk
Vypada jako kov
Vede teplo a el proud

22
Q

Vyroba fosforu

A

2ca3(po4)2+6sio2->6casio3+p4o10

P4o10+10c->10co+p4

23
Q

Vyuziti bileho fosforu

A

Kdysi zbrane
Plnily se delostrelecke granaty
Kdysi jako jed na krysy