Cation/anion / Flame Tests

Front 1

How do you test for a sulphate ion?

Back 1

Acidify and add aqueous barium nitrate-gives a WHITE precipitate

Hint 1

CAZ

Front 2

What colour do you get if you Add NaOH to iron (II) ion? It's pale green

Back 2

Green precipitate, insoluble in excess

Front 3

What colour does potassium burn? (Flame test)

Back 3

Lilac

Front 4

What colour does Calcium ion go in aqueous NaOH?

Back 4

White precipitate, insoluble in excess

Front 5

What colour does Calcium go with a few drops of aqueous ammonia , then an excess?

Back 5

No/ very faint white precipitate

Front 6

What colour do you get if you add a few drops of aqueous NaOH to Zinc ion?

Back 6

White precipitate, soluble in excess forming a colourless solution

Front 7

What do you get if you add a few drops of aqueous NH3 to Zinc ion?

Back 7

A white precipitate , soluble in excess forming a colourless solution

Front 8

What do you get if you add a few drops of NaOH to Aluminium ion?

Back 8

A White precipitate , soluble in excess forming a colourless solution

Hint 8

White precipitate, insoluble in excess

Front 9

What do you get if you add a few drops of aqueous NH3 to Aluminium ion?

Back 9

A White precipitate, insoluble in excess

Front 10

What do you get if you add a few drops of aqueous NaOH to Chromium(III) ion?

Back 10

A grey-green precipitate, soluble in excess, forming a green solution

Front 11

What do you get if you add a few drops of aqueous NH3 to Chromium(III) ion?

Back 11

Grey-green precipitate, insoluble in excess

Front 12

What do you get if you add a few drops of aqueous NaOH to Copper (II) ion?

Back 12

A light blue precipitate , insoluble in excess

Front 13

What do you get if you add a few drops of aqueous NH3 to Copper(II) ion ?

Back 13

A light blue precipitate, soluble in excess to give a dark blue solution

Front 14

What do you get if you add a few drops of aqueous NH3 to Iron (II) ion?

Back 14

A green precipitate, insoluble in excess

Front 15

What do you get if you add a few drops of aqueous NaOH to Iron(III) ion?

Back 15

A Red-brown precipitate, insoluble in excess

Front 16

What do you get if you add a few drops of aqueous NH3 to Iron(III) ion?

Back 16

A red brown precipitate, insoluble in excess

Front 17

What do you get if you add a few drops of aqueous NaOH to Ammonium ion?

Back 17

Ammonia Gas given off on warming

Front 18

What is the test and result for CO3 2- ion?

Back 18

Test: add dilute HCl

Result: effervescence due to CO2 given off

Front 19

What is the test and result for Cl- ion?

Back 19

Test: Acidify with HNO3 then add AgNO3

Result: white precipitate

Front 20

What Is the test and result for Br- ion?

Back 20

Test: Acidify with HNO3 then add AgNO3

Result: cream precipitate

Front 21

What is the test and result for I- ion?

Back 21

Test: Acidify with HNO3 then add AgNO3

Result: pale yellow precipitate

Front 22

What is the test and result for NO3- ion?

Back 22

Test: Add NaOH and then warm carefully with Aluminium foil

Result: ammonia gas produced

Front 23

What is the test and result for SO4 2-ion?

Back 23

Test: Acidify then add Ba(NO3)2

Result: white precipitate

Front 24

What is the test and result for SO3 2- ion?

Back 24

Test: Add dilute HCl warm gently and test for SO2 (g)

SO2 bubbles produced (difficult to see) which turns the acidified KMnO4 from purple to colourless

Front 25

What colour does lithium ion burn?

Back 25

Crimson

Front 26

What colour Copper(II) ion burn?

Back 26

Blue-green

Front 27

What happens in the presence of N2, Ar and CO2?

Back 27

Put out a lighted splint

Front 28

What happens in the presence of ammonia (NH3) gas?

Back 28

Turns damp red litmus paper blue

Hint 28

Wretch 32

Front 29

What happens in the presence of carbon dioxide (CO2) gas?

Back 29

Turns limewater cloudy

Hint 29

Home on the range

Front 30

What happens in the presence of chlorine (Cl2) gas?

Back 30

Bleaches damp litmus paper

Hint 30

Sam smith- bleaching your litmus paper

Front 31

What happens in the presence of hydrogen (H2) gas?

Back 31

'Pop' with a lighted splint

Hint 31

Pop goes the weasel

Front 32

What happens in the presence of oxygen (O2) gas?

Back 32

Relights a glowing splint

Hint 32

Re light ma fireeeeee

Oxygen's Ma only desire

Front 33

What happens in the presence of sulfur dioxide (SO2) gas?

Back 33

Turns acidified KMnO4 from purple to colourless

Hint 33

La roux