Colour of Substances #1 Flashcards
1
Q
Common white solids
A
Compounds of:
- Group 1 and 2 metals
- Zn[2+] and NH4[+]
2
Q
Common colourless solutions
A
- Group 1 and 2 metals
- Zn[2+] and NH4[+]
- dilute acids and alkalis
- hydrogen peroxide (H2O2) solution
3
Q
Common blue solids
A
hydrated Cu[2+] salts
3
Q
Common colourless solutions
A
- Group 1 and 2 metal compounds
- Zn(2+) and NH4(+) salts
- dilute acids and alkalis
- hydrogen peroxide (H2O2) solution
4
Q
Common blue solutions
A
solutions of Cu[2+] salts
5
Q
Common green solids
A
- Fe[2+] salts
- Copper(II) carbonate (CuCO3)
- Copper(II) chloride (CuCl2)
6
Q
Common green solutions
A
dilute solutions of Fe[2+] salts
7
Q
Common colourless solutions
A
- Group 1 and 2 metals
- Zn(2+) and NH4(+)
- dilute acids and alkalis
- hydrogen peroxide (H2O2) solution
7
Q
Common yellow solids
A
- Fe[3+] salts
- silver iodide (AgI)
- lead(II) iodide (PbI2)
- ZnO (when hot)
8
Q
Common red-brown solids
A
- iron(III) oxide (Fe2O3)
- iron(III) hydroxide (Fe2(OH)3)
- copper metal (Cu)
9
Q
Common red-brown solutions
A
- concentrated Fe[3+] solutions
- iodine solution (I2)
10
Q
Common colourless solutions
A
- Group 1 and 2 metals
- Zn(2+) and NH4(+)
- dilute acids and alkalis
- hydrogen peroxide (H2O2) solution
11
Q
Common purple solids
A
potassium manganate (KMnO4) crystals
12
Q
Common purple solutions
A
potassium manganate (KMnO4) solutions
13
Q
Common grey / silver solids
A
- metals (except copper (Cu) and gold (Au))
