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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
Q

The analyte (an oxidizing agent) reacts with an unmeasured excess of iodide to produce iodine (I2)

A

Iodometric titration

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26
Q

Meaning of EDTA

A

Ethylenediaminetetraacetic acid

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27
Q

Principle - Standardization of iodine solution

A

Redox-iodimetry

28
Q

Analyte - Standardization of iodine solution

A

Standard iodine solution

29
Q

Titrant - Standardization of iodine solution

A

Standard sodium thiosulfate solution

30
Q

Indicator - Standardization of Iodine solution

A

Starch TS

31
Q

Endpoint - Standardization of Iodine solution

A

Disappearance of blue color

32
Q

Is labelled “for external use only,” used primarily as a disinfectant

A

Tincture of iodine

33
Q

Titration that involves the formation of a colored complex that is used to indicate the endpoint of a titration

A

Complexometric titration/Chelatometry

34
Q

A Lewis acid that is an electron pair acceptor

A

Metal

35
Q

A Lewis base that is an electron pair donor

A

Ligand

36
Q

Titration in which the cations are titrated directly with EDTA standard solution using Eriochrome black TS

A

Direct titration w/ EDTA

37
Q

Titration in which a known excess of EDTA solution is added to the solution containing the analyte

A

Indirect titration w/ EDTA

38
Q

Is based on the concentration of Ca2+ and Mg2+ cations dissolved in water

A

Hardness of water

39
Q

Calcium and magnesium form insoluble compounds with carbonated anions cumulatively termed __________

A

Lime

40
Q

A strong oxidizing agent that is more stable than permanganate solution

A

Ceric sulfate

41
Q

Molecular weight of ceric sulfate

A

332.24 g/mol

42
Q

Molecular weight of FeSO4

A

151.908 g/mol

43
Q

3 pharmaceutical uses for ferrous sulfate

A

Hematinic, Anti-anemia, Treatment for iron deficiency anemia

44
Q

Used as a powerful emetic and was used in the treatment of schistosomiasis and leishmaniasis

A

Tartar emetic

45
Q

2 other names of tartar emetic

A

Antimony potassium tartrate, Potassium antimonyl tartrate

46
Q

Compound commonly used as a fungicide

A

Cupric sulfate

47
Q

4 other names of cupric sulfate

A

Blue vitriol, Bluestone, Vitriol of copper, Roman vitriol

48
Q

Compound used as an antidote to cyanide poisoning

A

Sodium thiosulfate

49
Q

2 other names of sodium thiosulfate

A

Sodium hyposulfite, Hypo

50
Q

Test which involves NaOH+CuSO4 and results to a brick red precipitate

A

Benedict test

51
Q

Test with involves CuSO4 and results to a brick red precipitate

A

Fehling’s Test A

52
Q

Test which involves potassium sodium tartrate and results to a brick red precipitate

A

Fehling’s Test B

53
Q

Principle - Assay of tartar emetic

A

Redox-iodimetry

54
Q

Titrant - Assay of tartar emetic

A

Standard iodine (I2) solution

55
Q

Analyte - Assay of tartar emetic

A

Tartar emetic

56
Q

Indicator - Assay of tartar emetic

A

Starch TS

57
Q

Endpoint - Assay of tartar emetic

A

Blue color

58
Q

Principle - Assay of cupric sulfate

A

Redox-iodometry

59
Q

Titrant - Assay of cupric sulfate

A

Sodium thiosulfate (Na2S2O3)

60
Q

Analyte - Assay of cupric sulfate

A

Cupric sulfate pentahydrate (CuSO4.5H2O)

61
Q

Indicator - Assay of cupric sulfate

A

Starch TS

62
Q

Endpoint - Assay of cupric sulfate

A

Disappearance of blue color

63
Q

Molecular weight of ascorbic acid

A

176.13 g/mol

64
Q

Also known as vitamin C; is a water soluble vitamin that is an essential antioxidant needed by the body

A

Ascorbic acid (C6H8O6)

65
Q

Therapy used for treating mercury and lead poisoning

A

Chelation therapy

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

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