qualitative analysis

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

Front (Question)

adding sodium hydroxide and aqueous ammonium solution to ammonium

Back (Answer)

ammonia gas produced on warming

Front (Question)

adding sodium hydroxide and aqueous ammonium solution to copper (II)

Back (Answer)

light blue ppt insoluble in excess light blue ppt dissolves in excess ammonia, giving deep blue solution

Front (Question)

adding sodium hydroxide and aqueous ammonium solution to iron (II)

Back (Answer)

green ppt insoluble in excess

Front (Question)

adding sodium hydroxide and aqueous ammonium solution to iron (III)

Back (Answer)

rust brown ppt insoluble in excess

Front (Question)

adding sodium hydroxide and aqueous ammonium solution to chromium (III)

Back (Answer)

grey green ppt, soluble in excess giving a green solution grey green ppt insoluble in excess

Front (Question)

adding sodium hydroxide and aqueous ammonium solution to calcium

Back (Answer)

white ppt insoluble in excess no ppt/very slight white

Front (Question)

adding sodium hydroxide and aqueous ammonium solution to magnesium

Back (Answer)

white ppt insoluble in excess

Front (Question)

adding sodium hydroxide and aqueous ammonium solution to zinc

Back (Answer)

white ppt soluble in excess giving a colourless solution white ppt insoluble in excess

Front (Question)

adding sodium hydroxide and aqueous ammonium solution to aluminium

Back (Answer)

white ppt soluble in excess giving a colourless solution white ppt insoluble in excess

#10

Front (Question)

NA+ (cations)

Back (Answer)

colourless in solution golden yellow in flame

#11

Front (Question)

K+ (cations)

Back (Answer)

Colourless in solution Lilac in flame

#12

Front (Question)

CA 2+ (cations)

Back (Answer)

colourless in solution orange-red in flame

#13

Front (Question)

sr 2+ (cations)

Back (Answer)

colourless in solution crimson-red in flame

#14

Front (Question)

ba 2+ (cations)

Back (Answer)

colourless in solution apple-green in flame

#15

Front (Question)

mg 2+ (cations)

Back (Answer)

colourless in solution bright-white in flame

#16

Front (Question)

cu 2+ (cations)

Back (Answer)

blue in solution green in flame

#17

Front (Question)

carbonate (anion test)

Back (Answer)

add dilute HCL fizzing, co2 produced

#18

Front (Question)

chloride, bromide, and iodide (anion test)

Back (Answer)

acidify with dilute HNO3 then add aq AGNO3 chloride: white ppt soluble in ammonia bromide: off white ppy, slightly soluble in ammonia iodide: yellowish-white ppt insoluble in ammonia

#19

Front (Question)

sulfate (anion test)

Back (Answer)

acidify with dilute HCL/HNO then add aq BaCL2/ Ba(OH)3 white ppt of barium sulfate

#20

Front (Question)

nitrate (anion test)

Back (Answer)

mix sodium alkaline with NAOH then add Al foil and warm slightly red litmus turns blue

#21

Front (Question)

ammonia (gas test)

Back (Answer)

colourless, pungent smell hold damp red litmus in the gas indicator paper turns blue

#22

Front (Question)

chlorine (gas test)

Back (Answer)

pale green choking smell hold damp litmus paper in gas paper is bleached to white

#23

Front (Question)

carbon dioxide (gas test)

Back (Answer)

colourless and odourless pass gas through limewater limewater turns milky due to presence of CACO3

#24

Front (Question)

sulfur dioxide (gas test)

Back (Answer)

colourless acidic/pungent smell add to solution of filter paper soaked in potassium manganate (VII) potassium manganate changes from purple to colourless