2-HALOGENI (17. skupina) Flashcards

i need to learn this too 😔

1
Q

F + voda

F je najmočnejši OKSIDANT

A

2 F2 + 2 H2O → 4 HF + O2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

F IND: elektroliza HF

A

2 HF → F2 + H2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Cl IND: elektroliza NaCl

A

2 NaCl → 2 Na + Cl2

2 Cl- - 2e- → Cl2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

DEACONOV POSTOPEK

oksidacija HCl s kisikom

A

4 HCl + O2 → 2 Cl2 + 2 H2O

katalizator CuCl2, T=430°C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Cl LAB: oksidacija HCl + KMnO4

poskus

A

2 KMno4 + 16 HCl → 5 Cl2 + 2 KCl + 2 MnCl2 + 8 H2O

poskus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Cl LAB: oksidacija HCl + klorovo apno CaCl(ClO)

A

CaCl(ClO) + 2 HCl → Cl2 + CaCl2 + H2O

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Br IND:

kloriranje lužin

A

2 Br- + Cl2 → 2 Cl- + Br2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Br LAB: oksidacija bromidov z MnO2 (v kislem)

A

2Br(-) + MnO2 + 4H(+) → Mn(2+) + Br2 + 2 H2O

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

I IND: kloriranje pepela morskih alg

A

Ca(IO3)2 + 5 SO2 + 4 H2O → I2 + CaSO4 + 4 H2SO4

.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

I LAB: isto ko brom

A

2I(-) + MnO2 + 4H(+) → Mn(2+) + I2 + 2 H2O

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Cl2 v vodi

A

Cl2 + H2O → HOCl + HCl

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

F2 z vodikovimi spojinami

H2S

A

H2S + F2 → S + 2 HF

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

F2 z vodikovimi spojinami

NH3

A

2 NH3 + 3F2 → N2 + 6 HF

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Cl2 in Sb (zgleda kovinsko)

A

2 Sb + Cl2 → 2 SbCl (dim, bel prah)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Cl2 in HgS (oranžen prah)

A

2 HgS + Cl2 → 2 HgCl + 2 S (oranžno → belo)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Fe segrejemo, dodamo Cl2

A

2 Fe + 3 Cl2 → 2 FeCl3 (oranžno rjav dim)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Br2 + segret Zn

A

Br2 + Zn → ZnBr2 (sivo → belo)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

H in Cl verižna reakcija UV, T

A

Cl2 → 2 Cl

Cl + H2 → HCl + H
H + Cl2 → HCl + Cl

H + H → H2
Cl + Cl → Cl2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Cl2 in spojine s H

H2S

A

H2S + Cl2 → 2 HCl + S

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Cl2 in spojine s H

CH4

A

CH4 + Cl2 → HCl + CH3Cl

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Cl2 in spojine s H

C2H2

A

C2H2 + Cl2 → 2 C + 2 HCl

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

pridobivanje HF

s CaF2

A

CaF2 + H2SO4 → CaSO4 + 2HF

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q
pridobivanje HF
s Ca5F(PO4)3
A

2 Ca5F(PO4)3 + 7H2SO4 → 3 Ca(H2PO4)2 + 7 CaSO4 + 2 HF

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

HCl IND:

H2 v prebitku

A

Cl2 + H2 → 2 HCl

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

HBr

s P in vodo

A

2 P + 3 Br2 + 6 H20 → 6 HBr + 2 H3PO3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

HCl iz NaCl s H2SO4

A

NaCl + H2SO4 → NaHSO4
+ HCl (20ºC) (LAB-Saidlova ap.)

NaCl + NaHSO4 → Na2SO4
+ HCl (800ºC)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

HBr iz NaBr s H2SO4

A

NaBr + H2SO4 → NaHSO4
+ HBr

2 HBr + H2SO4 → !!!Br2!!! + SO2 + 2 H2O

samo v 1. stopnji gre do HBr!
oksidacija bromida

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

HI iz NaI s H2SO4

A

NaI + H2SO4 → NaHSO4
+ HI

8 HBr + H2SO4 → !!!4 I2!!! + H2S + 4 H2O

samo v 1. stopnji gre do HI!
oksidacija jodida

29
Q

BX3 in voda

A

BX3 + 3 H2O → 3 HX + B(OH)3

30
Q

PX3 in voda

A

PX3 + 3 H2O → 3 HX + H3PO3

31
Q

SiX4 in voda

A

SiX4+ 4 H2O → 4 HX + Si(OH)4

32
Q

2P + 3 X2 z vodo

redukcija elementov POSKUS

A

2 P + 3 X2 + 6 H2O → 6 HX + 2 H3PO3

33
Q

I2 + N2H4 (redukcija?)

A

I2 + N2H4 → HI + N2

34
Q

HF reagira s steklom

A

SiO2 + 4 HF → SiF4 + 2 H2O

35
Q

avtoprotoliza HF

A

HF + HF → H2F(+) + F(-)

36
Q

F- ioni se solvatizirajo

A

F(-) + HF → HF2(-) + HF → H2F3(-)

37
Q

HNO3 je v brezvodnem HF baza

A

HNO3 + HF → H2NO3(+) + F(-)

38
Q

BF3 je kislina ker veže F(-) ione (Lewisova kislina)

A

BF3 + 2 HF → H2F(+) + BF4

39
Q

hidroliza BCl3

A

BCl3 + 3 H2O → H3BO3 + 3 HCl

nastane oksokislina in vodikov halogenid

40
Q

hidroliza PCl3

A

PCl3+ 3 H2O → H3PO3 + 3 HCl

nastane oksokislina in vodikov halogenid

41
Q

hidroliza SiCl4

A

SiCl4 + 4 H2O → H4SiO4 + 4 HCl

nastane oksokislina in vodikov halogenid

42
Q

Cl in suh HgO

A

2Cl2 + 2HgO → Cl2O + HgO×HgCl2

43
Q

Cl2O v vodi in OH(-)

A

Cl2O + H2O → 2HClO

Cl2O + 2OH(-) → 2ClO(-) + H2O

44
Q

nastanek ClO2

večstopenjska disproporcionacija KClO3

A

2 KClO3 + H2SO4 → 2 HClO3 + K2SO4
2 HClO3 → HClO2 + HClO4
HClO3 + HClO2 → 2 ClO2 + H2O

3 HClO3 → 2 ClO2 + HClO4 + H2O (sumarno)

45
Q

nastanek ClO2

oksidacija oksalne kisline s kloratom

A

2 KClO3 + H2C2O4 + H2SO4 → 2 ClO2 + 2 CO2 + K2SO4 + 2 H2O

46
Q

disproporcionacija ClO2

A

2 ClO2+ H2O → HClO2 + HClO3

47
Q

Sinteza oksospojin

A

Cl2(aq) + H2O  HCl + HClO (disproporcionacija Cl2 v vodi)

2Cl2(aq) + H2O + 2 HgO → HgO • HgCl2 + 2 HClO
Cl2(aq) + 2 NaOH → NaCl + NaClO + H2O (SOBNA T 25°C)
(ClO(-) HIPOklorit klorat(I) disproporcionira naprej)
3 NaClO → 2 NaCl + NaClO3

3 Cl2(aq) + 6 NaOH → 5 NaCl + NaClO3 + 3 H2O (75°C nastane klorat (klorat(V))

4 NaClO3 → NaCl + 3 NaClO4 (>400 °C nastane PERklorat (klorat(VII))

48
Q

(OS+1)

HClO razpade v H2O

A

2 HClO → Cl2O + H2O

49
Q

(OS+1)

HClO razpade na SVETLOBI

A

2 HClO → 2 HCl + O2

50
Q

(OS+1)

HIPOkloriti so močni OKSIDANTI (NaClO)

A

2 NaClO → 2 NaCl + O2

51
Q

(OS+1)

klorovo apno

A

Cl2 + Ca(OH)2 → CaCl(ClO) + H2O

52
Q

(OS+3)

sinteza kloritov

A

2 ClO2 + 2 NaOH + H2O2 → 2NaClO2 + O2 +H2O

53
Q

(OS+3)

sinteza kloraste kisline (Cl(3+))

A

Ba(ClO2)2 + H2SO4 → 2 HClO2 + BaSO4

54
Q

(OS+5)

sinteza klorove kisline (Cl(5+))

A

Ba(ClO3)2 + H2SO4 → 2 HClO3 + BaSO4

55
Q

(OS+5)

sinteza jodove kisline (I(5+))

A

I2 + 6 H2O + 5 Cl2 ↔ 2 HIO3 + 10 HCl

56
Q

(OS+7)

sinteza PERklorove kisline (Cl(7+))

A

Ba(ClO4)2 + H2SO4 → 2 HCLO4 + BaSO4

57
Q

segrevanje H5IO6 (s T=25°C) ortoperjodova kislina

A

H5IO6 → I2O5 + O2 + 5 H2O

58
Q

oksidacija jodatov s HIPOkloriti

A

IO3(-) + ClO(-) → IO4(-) + Cl(-)

59
Q

Medhalogenske spojine

nastanek: molekulske

A

X2 + n Y2 → 2 XYn

2XYn + Y2 → XYn+2

60
Q

Medhalogenske spojine

druge reakcije

A

KCl + F2 → KF + ClF

2 I2O5 + 5 SF4 → 4 IF5 + 5 SO2

61
Q

Medhalogenske spojine + močni oksidanti

W

A

W + 6 ClF → WF6 + 3 Cl2

62
Q

Medhalogenske spojine + močni oksidanti

U

A

U + 3 ClF3→ 3 ClF + UF6

63
Q

Medhalogenske spojine + močni oksidanti

KAlSi3O8

A

KAlSi3O8 + 8 BrF5 → KF + AlF3 + 3 SiF4 + 4 O2 + 8 BrF3

64
Q

Medhalogenske spojine + močni oksidanti

B2O3

A

2 B2O3 + 4 BrF3 → 4 BF3 + 2 Br2 + 3 O2

65
Q

Medhalogenske molekulske spojine + kovinski halogenidi

PtF5

A

ClF3 + PtF5 → ClF2PtF6

66
Q

Medhalogenske molekulske spojine + kovinski halogenidi

MF

A

ClF3 + MF → M(+)ClF4

M=K,Rb,Cs

67
Q

Medhalogenske molekulske spojine + kovinski halogenidi

MCl

A

ICl + MCl → M(+)Cl2I

M=K,Cs

68
Q

Medhalogenske molekulske spojine + kovinski halogenidi

AlCl3

A

2 ICl + AlCl3 → ClI2AlCl4