Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Chemistry > 12.3 Qualitative Analysis > Flashcards

12.3 Qualitative Analysis Flashcards

You may prefer our related Brainscape-certified flashcards:
Periodic Table flashcards Chemistry 101 flashcards AP® Chemistry flashcards Organic Chemistry 101 flashcards
1
Q

Cation, NaOH (aq)

White ppt. excess NaOH (aq)

Soluble/Insoluble

A

Soluble: Al^3+, Pb^2+, Zn^2+

Insoluble: Ca^2+

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Cation, NaOH (aq)

Light blue ppt.

A

Cu^2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Cation, NaOH (aq)

Green ppt.

A

Fe^2+

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Cation, NaOH (aq)

Reddish-brown ppt.

A

Fe^3+

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Cation, NaOH (aq)

No ppt. Ammonia produced on heating

A

NH4^+

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Cation, NH3 (aq)

White ppt. excess NH3 (aq)

Soluble/Insoluble

A

Soluble: Zn^2+

Insoluble: Al^3+, Pb^2+

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Cation, NH3 (aq)

Light blue ppt.

A

Cu^2+

Dark blue: excess NH3 (aq)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Cation, NH3 (aq)

Green ppt.

A

Fe2+

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Cation, NH3 (aq)

Reddish-brown ppt.

A

Fe3+

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Cation, NH3 (aq)

No ppt.

A

Possibly Ca^2+ or NH4^+

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Sodium hydroxide solution

A

NaOH (aq)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Aqueous ammonia

A

NH3 (aq)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Anion, HCl (aq)

CO2 gas

A

CO3^2-

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Anion, NaOH (aq) + Al (s) + heat

NH3 gas

A

NO3^-

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Anion, HNO3 (aq) + Ba(NO3)2 (aq)

White ppt.

A

SO4^2-

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Anion, HNO3 (aq) + AgNO3 (aq)

White ppt.

A

Cl-

17
Q

Anion, HNO3 (aq) + AgNO3 (aq)

Yellow ppt.

A

I-

18
Q

GAS

odourless
extinguishes lighted splint with a ‘pop’ sound

A

H2

19
Q

GAS

odourless
rekindles a glowing splint

A

O2

20
Q

GAS

odourless
forms white ppt. in limewater (ppt. dissolves upon further bubbling)

A

CO2

21
Q

GAS

pungent, colorless
turns moist red litmus paper blue

A

NH3

22
Q

GAS

pungent, colorless
turns acidified potassium manganate (VII) from purple to colorless

A

SO2

23
Q

GAS

pungent, greenish-yellow
turns blue litmus paper red, then bleaches it

A

Cl2

24
Q

Water tests

A
  1. Heated sample + cobalt (II) chloride paper @ test tube mouth - change from blue to pink
  2. drops of sample on anhydrous copper (II) sulfate - change from white to blue
25
Q

Sodium salts

A

Soluble

26
Q

Potassium salts

A

Soluble

27
Q

Ammonium salts

A

Soluble

28
Q

Nitrates

A

Soluble

29
Q

Chlorides

A

Soluble, except PbCl2, AgCl

30
Q

Sulfates

A

Soluble, except BaSO4, CaSO4, PbSO4

31
Q

Carbonates

A

Insoluble, except Na2CO3, K2CO3, (NH4)2CO3

32
Q

Preparing soluble salts

A

Starting materials insoluble: Reaction- acids with metals, insoluble bases/chemicals

Starting materials soluble: Titration

33
Q

Preparing insoluble salts

A

Precipitation

Chemistry (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions