ANACHEM 3

Question 1

QUALITATIVE ANALYSIS IS A PROCESS FOR IDENTIFICATION OF A ____
WHICH ALLOWS TO DETERMINE WHAT ____ ARE INCLUDED INTO THE ______, ___, OR ____ ARE IN ITS ____

Answer 1

SUBSTANCE
ELEMENTS
SAMPLE TESTED
WHAT IONS
FUNCTIONAL GROUPS
MOLECULES
COMPOSTION

Question 2

CLASSICAL LAB COURSES IN IO QUALI ANALYSOS ARE BASED ON _____ TO IDENTIFY ___

Answer 2

CHEMICAL TESTS
INORGANIC IONS

Question 3

Q.A. EXTERNAL REACTIONS (3)

Answer 3

-PRECIPITATES OF CERTAIN COLOR
-COLOR CHANGES
- ELIMINATION OF EVOVLVING GASEOUS PRODUCTS (W/O OR A CERTAIN ODOR)

Question 4

IN A QA SCHEME OBJECTIVE IS TO

Answer 4

CONFIRM PRESENCE / ABSENCE OF A CERTAIN MATERIALS

Question 5

TWO DISTINCT PHASES

Answer 5

1) SCHEME TO SEPERATE IONS
2) A TEST TO CONFIRM IDENTITY OF EACH SEPERATED ION

Question 6

USED TO SEPERATE AND DETECT CATIONS AND ANIONS

Answer 6

QUALI ANALYSIS

Question 7

THE CHEM SUBSTANCE THAT DISSOLVE TO WATER

Answer 7

SOLUBLE SUBSTANCE

Question 8

DO NOT DISSOLVE IN WATER

Answer 8

INSOLUBLE

Question 9

INSOLUBLE THAT MAKES WATER CLOUDY

Answer 9

PRECIPITATION

Question 10

SOLID ON THE BOTTOM OF TEST T

Answer 10

PRECIPITATE

Question 11

BASES OF QA (2)

Answer 11

PRECIPITATION AND SOLUBILITY PRINCIPLES

Question 12

OCCURS WHEN CATIONS AND ANIONS IN AQUEOUS SOLUTION

Answer 12

PRECIPITATION REACTION

Question 13

INSOLUBLE IONIC SOLID

Answer 13

PRECIPITATE

Question 14

EX OF REACTION DEPENDENT ON TEMPERATURE

Answer 14

BUFFERS

Question 15

SOLIDS IN PRECIPITATE

Answer 15

CRYSTALLINE SOLIDS

Question 16

REMAINING FLUID?

Answer 16

SUPERNATANT LIQUID

Question 17

METHODS OF SEPERATION (3)

Answer 17

FILTRATION
CENTRIFUGING
DECANTING

Question 18

MOST PRECIPITATION ARE ___ OR ______

Answer 18

SINGLE OR DOUBLE REPLACEMENT REACTIONS

Question 19

OCCURS WHEN TWO IONIC REACTANTS DISASSOCIATE BASED ON CHARGE

Answer 19

DOUBLE REPLACEMENT REACTION

Question 20

DOUBLE REPLACEMENT IS CLASSIFIED AS __ REACTION

Answer 20

PRECIPITATION

Question 21

WHETER REACTION FORMS A PRECIPITATE IS DICTATED BY:

Answer 21

SOLUBILITY RULES

Question 22

Salts formed with group 1 cations and
NH4+ cations are soluble. There are some
exceptions for certain Li+ salts. (T or F)

Answer 22

T

Question 23

2) Acetates (C2H3O2−), nitrates (NO3−),
and perchlorates (ClO4−) are soluble.

Answer 23

T

Question 24

Bromides, chlorides, and iodides are
soluble.

Answer 24

T

Question 25

Sulfates (SO4)2− are soluble with the exception of sulfates formed with Ca2+, Sr2+, and Ba2+

Answer 25

T

Question 26

Salts containing silver, lead, and mercury (I) are insoluble.

Answer 26

T

Question 27

Carbonates (CO3)2−, phosphates (PO4)3−, sulfides, oxides, and hydroxides (OH)− are insoluble. Sulfides formed with group 2 cations and hydroxides formed with calcium, strontium, and barium are exceptions.

Answer 27

T

Question 28

POSITIVE CHARGED IONS

Answer 28

CATIONS

Question 29

PROCEDURE THAT SEPERATE GROUPS OF ION

Answer 29

SEPERATIONS

Question 30

TEST THAT DETERMINE THAT AN ION IS PRESENT

Answer 30

CONFIRMATORY TEST

Question 31

GROUP NAME AND REAGENT: I

Answer 31

- SILVER GROUP - DILUTE HCL

Question 32

GROUP NAME AND REAGENT: II

Answer 32

- COPPER GROUP - HCL + H2S

Question 33

GROUP NAME AND REAGENT: IIIA

Answer 33

- IRON ALUMINUM GROUP - NH4OH + NH4CL

Question 34

GROUP NAME AND REAGENT: IIIB

Answer 34

- ZINC GROUP - NH4OH + NH4CL + H2S

Question 35

GROUP NAME AND REAGENT: IV

Answer 35

- ALKALINE EARTH GROUP - NH4OH+ NH4CL + (NH4)2CO3

Question 36

GROUP NAME AND REAGENT: V

Answer 36

- NO GORUP REAGENT - ALKALI METAL GROUP

Question 37

RECITE ALL REAGENT FOR EACH GROUP

Answer 37

1 - HCL 2 - H2S 3 - NAOH 4 - NA2CO3

Question 38

THE IONIZATION OF A WEAK ELECTROLYTE IS SUPPRESSED IF A STRONG ELECTROLYTE WITH A COMMON ION IS ADDED TO IT

Answer 38

LAW OF COMMON ION EFFECT

Question 39

LAW OF COMMON ION EFFECT: THE ____ OF A WEAK ELECTROLYTE IS ___ IF A STRONG ELECTROLYTE WITH A COMMON ION IS ADDED TO IT

Answer 39

IONIZATION SUPPRESSED