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PICLAB: SEPARATION OF CATIONS

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Total cards: 23•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (23)

#1
Front (Question)

• Measurement science • Has two types: QUALITATIVE and QUANTITATIVE

Back (Answer)

ANALYTIC CHEMISTRY

#2
Front (Question)

• It reveals the quality of substance • Answers the question ‘What is?’

Back (Answer)

QUALITATIVE

#3
Front (Question)

• Indicates the amount of each substance • Answers the question ‘How much?’

Back (Answer)

QUANTITATIVE

#4
Front (Question)

To determine an ion with out a label, you add a _______

Back (Answer)

CHLORIDE SOLUTION

#5
Front (Question)

MEMORIZE: GROUP 1 - Known as ‘Insoluble chlorides’ - Precipitant: 6M HCl (hypochloric acid)

Back (Answer)

MercuLeS MERCUROUS, LEAD, SILVER

#6
Front (Question)

MEMORIZE: GROUP 2A - Insoluble in Na2S - Precipitants: 5% - Thioacetamide diluted solution

Back (Answer)

Copper-CaBLe COPPER, CADMIUM, BISMUTH, LEAD

#7
Front (Question)

MEMORIZE: GROUP 2B - Soluble in Na2S - Acid, Insoluble sulfides - Precipitants: 5% - Thioacetamide diluted solution

Back (Answer)

MArTiAn MERCURIC, ARSENIC, TIN, ANTIMONY

#8
Front (Question)

MEMORIZE: GROUP 3A - Soluble in 1M HCl - Precipitant: 5% Thioacetamide in NH3

Back (Answer)

NiCo NICKLE, COBALT

#9
Front (Question)

MEMORIZE: GROUP 3B - Insoluble in 1M HCl - Precipitant: 5% Thioacetamide in NH3

Back (Answer)

ZACh Iron Man ZINC, ALUMINUM, CHROMIUM, IRON, MANGANESE

#10
Front (Question)

Will always form a precipitate

Back (Answer)

SILVER (Ag) and LEAD (Pb)

#11
Front (Question)

Will always form a white precipitate

Back (Answer)

ZINC

#12
Front (Question)

MEMORIZE: GROUP 4 - Insoluble Carbonates/ Soluble sulfides - All precipitants are White - Precipitant: Ammonium carbonate (NH4)2CO3 + 95% Ethanol

Back (Answer)

BaCal St. BARIUM, CALCIUM, STRONTIUM

#13
Front (Question)

MEMORIZE: GROUP 5 - Known as the ‘Soluble group’ - Clear colorless solution - Precipitant: None

Back (Answer)

PoLiS Magnum Ammo POTASSIUM, LITHIUM, SODIUM, MAGNESIUM, AMMONIUM

#14
Front (Question)

• Precipitant: None

Back (Answer)

GROUP V PoLiS Magnum Ammo POTASSIUM, LITHIUM, MAGNESIUM, AMMONIUM

#15
Front (Question)

Precipitant: (NH4)2CO3 + 95% Ethanol

Back (Answer)

GROUP IV BaCal St. BARIUM, CALCIUM, STRONTIUM

#16
Front (Question)

Precipitant: 5% thioacetamide in NH3

Back (Answer)

GROUP III NiCo - NICKLE, COBALT ZACh Iron Man - ZINC, ALUMINUM, CHROMIUM, IRON, MANGANESE

#17
Front (Question)

Precipitant: 5% thioacetamide in diluted acid

Back (Answer)

GROUP II Copper-CaBLe - COPPER, CADMIUM, BISMUTH, LEAD MArTiAn - MERCURIC, ARSENIC, TIN, ANTIMONY

#18
Front (Question)

Precipitant: 6M HCl

Back (Answer)

GROUP I MercuLeS MERCUROUS, LEAD, SILVER

#19
Front (Question)

COLOR OF PRECIPITATED SULFIDES CAUSED BY: Cd+2, Sn+2 (Brown), As+2, As+5

Back (Answer)

OBSERVATION: YELLOW

#20
Front (Question)

COLOR OF PRECIPITATED SULFIDES CAUSED BY: Sb+2, Sb+5 (Orange-red)

Back (Answer)

OBSERVATION: ORANGE

#21
Front (Question)

COLOR OF PRECIPITATED SULFIDES CAUSED BY: - Zn+2

Back (Answer)

OBSERVATION: WHITE

#22
Front (Question)

COLOR OF PRECIPITATED SULFIDES CAUSED BY: Mn+2

Back (Answer)

OBSERVATION: PINK

#23
Front (Question)

COLOR OF PRECIPITATED SULFIDES CAUSED BY: Cu+2, Bi+3, Pb+2, Sn+4, Hg+2, Co+2, Ni+2, Ag+, Fe+2

Back (Answer)

OBSERVATION: BLACK