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Qualitative Analysis

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Total cards: 9•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (9)

#1
Front (Question)

Name 3 common anions

Back (Answer)

Carbonate, sulfate and halide

#2
Front (Question)

How do you test for carbonate ions?

Back (Answer)

Add diluted HNO3 and any gas through limewater and positive if white precipitate (CaCO3)

#3
Front (Question)

The equations for the testing of carbonate ions

Back (Answer)

CO3 2- + 2H+ ———-> CO2 + H2O Ca(OH)2 + CO2 ———-> CaCO3 + H2O

#4
Front (Question)

How do you test for sulfate ions?

Back (Answer)

Make a solution of the sample and add drops of barium nitrate solution and positive result if white precipitate (barium sulfate)

#5
Front (Question)

The equation for the testing of sulfate ions

Back (Answer)

Ba 2+ + SO4 2- ———-> BaSO4

#6
Front (Question)

How do you test for halide ions?

Back (Answer)

Add drops of silver nitrate solution and then aqueous ammonia

#7
Front (Question)

Name a cation

Back (Answer)

Ammonium ion

#8
Front (Question)

How do you test for ammonium ions?

Back (Answer)

Add warm NaOH solution and test any gas with damp red litmus paper - if blue, means gas is alkali (ammonia gas)

#9
Front (Question)

Equation for the testing of ammonium ions

Back (Answer)

NH4+ + OH- ———-> NH3 + H2O