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[1ST YEAR] PH 105.1 - Pharmaceutical Analysis I (Lab) > MIDTERM 01 - Complexation and Redox Titration > Flashcards

MIDTERM 01 - Complexation and Redox Titration Flashcards

1
Q

Principle - Preparation and standardization of EDTA

A

Complexation reaction

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2
Q

Titrant - Preparation and standardization of EDTA

A

EDTA

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3
Q

Analyte - Preparation and standardization of EDTA

A

Calcium carbonate (CaCO3)

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4
Q

Endpoint - Preparation and standardization of EDTA

A

Clear blue color

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5
Q

Indicator - Preparation and standardization of EDTA

A

Eriochrome black TS

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6
Q

Molecular weight of EDTA

A

292.24 g/mol

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7
Q

Principle - Test for hardness of water

A

Complexation reaction

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8
Q

Titrant - Test for hardness of water

A

EDTA

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9
Q

Analyte - Test for hardness of water

A

Water sample

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10
Q

Indicator - Test for hardness of water

A

Eriochrome black TS

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11
Q

Endpoint - Test for hardness of water

A

Clear blue color

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12
Q

Molecular weight of calcium carbonate (CaCO3)

A

100.0869 g/mol

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13
Q

Principle - Standardization of ceric sulfate solution

A

Redox reaction

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14
Q

Titrant - standardization of ceric sulfate solution

A

Ceric sulfate (CeSO4)

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15
Q

Analyte - standardization of ceric sulfate solution

A

Sodium sulfate (Na2SO4)

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16
Q

Indicator - Standardization of ceric sulfate solution

A

No indicator

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17
Q

Endpoint - Standardization of ceric sulfate solution

A

Light yellow color

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18
Q

Provides iron to produce red blood cells

A

Ferrous sulfate (FeSO4)

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19
Q

Principle - Assay of ferrous sulfate

A

Redox reaction

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20
Q

Titrant - Assay of ferrous sulfate

A

Ceric sulfate (CeSO4)

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21
Q

Analyte - Assay of ferrous sulfate

A

Ferrous sulfate syrup

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22
Q

Indicator - Assay of ferrous sulfate

A

Orthophenanthroline TS

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23
Q

Endpoint - Assay of ferrous sulfate

A

Until color change

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24
Q

The analyte (a reducing agent) reacts with iodine to produce iodide (I-)

A

Iodimetric titration

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25
The analyte (an oxidizing agent) reacts with an unmeasured excess of iodide to produce iodine (I2)
Iodometric titration
26
Meaning of EDTA
Ethylenediaminetetraacetic acid
27
Principle - Standardization of iodine solution
Redox-iodimetry
28
Analyte - Standardization of iodine solution
Standard iodine solution
29
Titrant - Standardization of iodine solution
Standard sodium thiosulfate solution
30
Indicator - Standardization of Iodine solution
Starch TS
31
Endpoint - Standardization of Iodine solution
Disappearance of blue color
32
Is labelled "for external use only," used primarily as a disinfectant
Tincture of iodine
33
Titration that involves the formation of a colored complex that is used to indicate the endpoint of a titration
Complexometric titration/Chelatometry
34
A Lewis acid that is an electron pair acceptor
Metal
35
A Lewis base that is an electron pair donor
Ligand
36
Titration in which the cations are titrated directly with EDTA standard solution using Eriochrome black TS
Direct titration w/ EDTA
37
Titration in which a known excess of EDTA solution is added to the solution containing the analyte
Indirect titration w/ EDTA
38
Is based on the concentration of Ca2+ and Mg2+ cations dissolved in water
Hardness of water
39
Calcium and magnesium form insoluble compounds with carbonated anions cumulatively termed __________
Lime
40
A strong oxidizing agent that is more stable than permanganate solution
Ceric sulfate
41
Molecular weight of ceric sulfate
332.24 g/mol
42
Molecular weight of FeSO4
151.908 g/mol
43
3 pharmaceutical uses for ferrous sulfate
Hematinic, Anti-anemia, Treatment for iron deficiency anemia
44
Used as a powerful emetic and was used in the treatment of schistosomiasis and leishmaniasis
Tartar emetic
45
2 other names of tartar emetic
Antimony potassium tartrate, Potassium antimonyl tartrate
46
Compound commonly used as a fungicide
Cupric sulfate
47
4 other names of cupric sulfate
Blue vitriol, Bluestone, Vitriol of copper, Roman vitriol
48
Compound used as an antidote to cyanide poisoning
Sodium thiosulfate
49
2 other names of sodium thiosulfate
Sodium hyposulfite, Hypo
50
Test which involves NaOH+CuSO4 and results to a brick red precipitate
Benedict test
51
Test with involves CuSO4 and results to a brick red precipitate
Fehling's Test A
52
Test which involves potassium sodium tartrate and results to a brick red precipitate
Fehling's Test B
53
Principle - Assay of tartar emetic
Redox-iodimetry
54
Titrant - Assay of tartar emetic
Standard iodine (I2) solution
55
Analyte - Assay of tartar emetic
Tartar emetic
56
Indicator - Assay of tartar emetic
Starch TS
57
Endpoint - Assay of tartar emetic
Blue color
58
Principle - Assay of cupric sulfate
Redox-iodometry
59
Titrant - Assay of cupric sulfate
Sodium thiosulfate (Na2S2O3)
60
Analyte - Assay of cupric sulfate
Cupric sulfate pentahydrate (CuSO4.5H2O)
61
Indicator - Assay of cupric sulfate
Starch TS
62
Endpoint - Assay of cupric sulfate
Disappearance of blue color
63
Molecular weight of ascorbic acid
176.13 g/mol
64
Also known as vitamin C; is a water soluble vitamin that is an essential antioxidant needed by the body
Ascorbic acid (C6H8O6)
65
Therapy used for treating mercury and lead poisoning
Chelation therapy

[1ST YEAR] PH 105.1 - Pharmaceutical Analysis I (Lab) (5 decks)

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