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INORG CHEM LAB > CATIONS > Flashcards

CATIONS Flashcards

1
Q

a branch science of which deals with the
study of laws, principles and processes of DETERMINATION of composition and IDENTIFICATION of a material.

A

ANALYTICAL CHEMISTRY

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2
Q

“measurement science”

A

ANALYTICAL CHEMISTRY

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3
Q

“What is?”
Reveals the IDENTITY of the substance

A

QUALITATIVE

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4
Q

“How much?”
Indicates the AMOUNT of each substance

A

QUANTITATIVE

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5
Q

CATIONS GROUP 1 PRECIPITANT

A

6M HCl

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6
Q

The INSOLUBLE Chlorides

A

GROUP 1

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7
Q

CATIONS GROUP 2 PRECIPITANT

A

5% THIOACETAMIDE IN DILUTED ACID

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8
Q

The ACID INSOLUBLE Sulfides

A

GROUP 2

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9
Q

-INsoluble in Na2S

A

2A

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10
Q

-SOluble in Na2S

A

2B

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11
Q

CATIONS GROUP 3 PRECIPITANT

A

5% THIOACETAMIDE IN NH3

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12
Q
  • SOluble in 1M HCl
A

3A

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13
Q

-INsoluble in 1M HCl

A

3B

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14
Q

Cd+2, Sn+2 (brown) As+2, As+5

A

YELLOW

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15
Q

Sb+2 , Sb+5(orange-red)

A

ORANGE

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16
Q

Zn+2

A

WHITE

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17
Q

Mn+2

A

PINK

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18
Q

Cu+2, Bi+3, Pb+2, Sn+4
Hg+2, Co+2, Ni+2, Ag+, Fe+2

A

BLACK

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19
Q

All precipitates are WHITE.

A

GROUP 4

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20
Q

CATIONS GROUP 4 PRECIPITANT

A

(NH4)2CO3 + 95% Ethanol

21
Q

The Insoluble Carbonates / Soluble Sulfides

A

GROUP 4

22
Q

Clear colorless solution

A

GROUP 5

23
Q

The Soluble Group

A

GROUP 5

24
Q

CATIONS GROUP 5 PRECIPITANT

A

NONE

25
Q

white curdy ppt

A

AgCl

26
Q

PbCl2

A

WHITE PPT

27
Q

Ag+

A

SOLUBLE

28
Q

Pb+2

A

INSOLUBLE

29
Q

CONFIRMATORY TEST GROUP 1 CATIONS

A

AgCl
PbCl2

30
Q

CONFIRMATORY TEST GROUP 2 CATIONS

A

POTASSIUM FERROCYANIDE

31
Q

brownish red ppt

A

Cu+

32
Q

Yellowish white ppt

A

Bi+3

33
Q

CONFIRMATORY TEST GROUP 3 CATIONS

A

DMG

34
Q

Clear colorless soln

A

ZN+2

35
Q

Cherry red ppt

A

Ni+2

36
Q

Orange soln

A

Co+2

37
Q

CONFIRMATORY TEST GROUP 4 CATIONS

A

SATURATED CALCIUM SULFATE SOL

38
Q

Ca+2

A

WHITE PPT

39
Q

Sr+2

A

CLEAR COLORLESS SOLN

40
Q

CONFIRMATORY TEST GROUP 5 CATIONS

A

DILUTED NaOH

41
Q

SLIGHLTY PUNGENT ODOR

A

NH4+

42
Q

Copper Salts

A

BLUE

43
Q

Nickel (II), Iron (II), Chromium (III), manganates

A

GREEN

44
Q

Chromate, Iron (III)

A

YELLOW

45
Q

Dichromate

A

ORANGE-RED

46
Q

Permanganate

A

PURPLE

47
Q

Cobalt (II), Manganese (II)

A

PINK

48
Q

ANO GINAMIT SA CONFIRMATORY TESTS

A

0.1 M TEST SOLUTION

INORG CHEM LAB (12 decks)

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