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PCQA > PCQA FINALS > Flashcards

PCQA FINALS Flashcards

1
Q

Group 5A

A

The Nitrogen Family

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2
Q

Group 5A

A

The Pnictogen Family

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3
Q

5A members

A

Nitrogen (N)
Phosphorus (P)
Arsenic (As)
Antimony (Sb)
Bismuth (Bi)

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4
Q

Chemical Properties:

outer s2p3 electron
configuration

A

5A

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5
Q

sharing of 3 or 5 outer
electrons → 3+ & 5+

A

5A

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6
Q

could also have a -3
oxidation

A

5A

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7
Q

Bi does
not have the tendency to
accept electrons

A

True

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8
Q

Sb, As, P, N may accept
three electrons to pair up
electrons in the outer p
orbitals

A

antimonides,
arsenides, phosphides
and nitrides

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9
Q

5A Compounds are covalent

A

T

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10
Q

M + H2 → Hydrides

A

 ammonia (NH3)
 phosphine (PH3)
 arsine (AsH3)
 stibine (SbH3)
 bismuthine (BiH3)

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11
Q

All Hydrides of Group 5A are poisonous except

A

NH3

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12
Q

Nitrogen A.K.A.

A

Azote

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13
Q

Azote

A

No Life

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14
Q

Mephitic Air

A

N

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15
Q

3 bonds form

A

N

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16
Q

N Occurs free in atmosphere

A

T

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17
Q

N is a Component of plant and animal tissues

A

T

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18
Q

Use by plants-nitrogen fixation

A

N

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19
Q

N cylinder color

A

Black

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20
Q

Dry Air Components

A
  • 78.09% Nitrogen,
  • 20.95% oxygen,
  • 0.93% Argon,
  • 0.039% carbon dioxide,
  • and small amounts of other gases.
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21
Q

Replace air in container
for parenteral solution

A

Nitrogen Gas

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22
Q

Triple bond-responsible
for inertness

A

Nitrogen Gas

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23
Q

Refrigerant

A

Liquid Nitrogen

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24
Q

Liquid Nitrogen

A

cryogenics

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25
Q

N2O

A

Nitrous oxide

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26
Q

“Laughing Gas”

A

N2O

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27
Q

General anesthetic
(Inhalational)

A

N2O

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28
Q

Not use alone-
causes diffusion
HYPOXIA

A

N2O

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29
Q

N2O color cylinder

A

blue

30
Q

Gas (brown
color or pale
blue liquid)

A

N2O3

31
Q

Brown gas

A

NO2

32
Q

most abundant in Earth’s Atmosphere

A

N

33
Q

Nitrogen

A

 Used for the manufacture
of ammonia in the Haber
Process.
 filler gas in electric lamps
and in high temperature
thermometers.
 provide an inert
atmosphere in metallurgy
to prevent oxidation in
certain industrial
N processes.

34
Q

P

A

Is normally a white waxy solid, which
is colourless and translucent. Stored
under water

35
Q

P A.K.A

A

St. Elmo’s
Fire

36
Q

Light carrier
(match)

A

P

37
Q

P source

A

Apatite

38
Q

P variety that are not poisonous

A

White/Yellow

39
Q

Red Phosporous

A

Non-poisonous. Use
in preparation
of matches

40
Q

This P4
tetrahedron is also
present in liquid and gaseous
phosphorus

A

White Phosphorus

41
Q

up to what temperature of when it starts decomposing to P2 molecules

A

800 C

42
Q

Metallic or Black Phosphorus

A

Heating P with Pb at 530°C

43
Q
  • the least reactive allotrope and the
    thermodynamically stable form below 550 °C
A

Metallic or Black Phosphorus

44
Q

Heating P with small quantity of
Na at _°C

A

Violet Phosphorus, 200 C

45
Q

Violet Phosphorus
* produced by day-long annealing of red phosphorus _?

A

550 C

46
Q

Made by heating PBr3 (phosphorus
tribromide) with Hg at _°C

A

. Scarlet Phosphorus, 240

47
Q

Red Phosphorus

A

formed by heating white phosphorus to 250 °C
(482 °F) or by exposing white phosphorus to sunlight

48
Q

COMPONENT OF PHYSIOLOGIC BUFFER:

HCO3, H2CO3

A

HCO3 (bicarbonate), H2CO3 (carbonic acid)
-plasma and kidneys

49
Q

HPO4
-2
, H2PO4

A

HPO4-2 (monohydrogen phosphate), H3PO4
(dihydrogen phosphate)
-cells and kidneys

50
Q

Hgb and CHON

A

RBC

51
Q

most effective single system for buffering _ during _
process

A

Hgb and CHON; buffering H2CO3 during metabolic
process

52
Q

▪ Adv. Enjoys containing dihydrogen & monohydrogen
phosphate ions
▪ Disadv: Insolubility with _ supports _
▪ Example. _ system

A

▪ Adv. Enjoys containing dihydrogen & monohydrogen
phosphate ions
▪ Disadv: Insolubility with Ag, Zn & Al, supports microbial
growth
▪ Example. Sorensen Buffer system

Phosphate Buffer

53
Q

▪ Feldman’s Buffer System
▪ Atkins & Pantin Buffer System
▪ Gifford Buffer System

A

Borate Buffer
▪ Feldman’s Buffer System( ph 7-8.2) acid solutions of
Boric acid, NaCl & Sodium borate
▪ Atkins & Pantin Buffer System (ph 7.6-11) alkaline
solutions of Na2CO3
, Boric acid & NaCl
▪ Gifford Buffer System(ph 6-7.8) –similar with Feldman
but KCl is used instead of Nacl

54
Q

Toxic, protoplasmic poison

A

As

55
Q

As _ metal

A

Lewisite metal

56
Q

Anti-syphilis discovered
by_

A

Anti-syphilis discovered
by Paul Erlich

57
Q

As Component of

A

Salvarsan, Arsphenamine,
Compound 606

58
Q

As is anti-

A

Anti-syphilis; Antileukemia

59
Q

Preparation of various insecticide

A

As

60
Q

As Sources

A

Arsenopyrite (Iron Arsenic
Sulfide (FeAsS

61
Q

Cu Aceto Arsenate

A

“Paris Green”

62
Q

K Arsenite

A

“Fowler’s Solution”

63
Q

Donovan’s solution

A

Red solution containing
AsI3 (Arsenic triiodide) or HgI2
(mercuric iodide)

64
Q

Red solution containing
_or _

A

Donovan’s solution
▪ Red solution containing
AsI3 (Arsenic triiodide) or HgI2
(mercuric iodide)

65
Q

When arsenic is present, a _ is generated in the
filter paper moistened with silver
nitrate solution

A

GUTZEIT TEST; a light
brown spot

66
Q

As can do what to nails

A

Cause pale nail bonds on
finger nails

67
Q

Bind with sulfhydryl
group

A

▪ Cystein-rich in sulfhydryl
▪ Curly hair-cystein

68
Q

ANTIDOTE for As poisoning

A

BAL

69
Q

BAL

A

Dimercaprol, also called British anti-Lewisite

70
Q
A

PCQA (3 decks)

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