Group 2 Flashcards
1
Q
Test for OH- ions
A
Add MgCl
A white precipitate will form
2
Q
Test for Mg+ ions
A
NaOH
a white precipitate of Mg(OH)2
3
Q
Magnesium with steam
A
Mg + H2O-> MgO + H2
MgO forms a solid precipitate
4
Q
Reaction of group 2 compounds with water down the group
A
Down the group the rate Increases as more shielding so outer electron is further from the nucleus so is lost more easily
mg
ca as you go down it becomes more
sr soluble
ba fizzing from warming up
5
Q
Test for Ba2+
A
Add SO4 from (NaSO4 or H2SO4)
white precipitate
6
Q
Which sulphate is insoluble
A
BaSO4
6
Q
Test for Sulfate Ions/ Test for Barium ions
A
Add acidified barium chloride solution
a white precipitate of BaSO4 forms
To test for baruim add Sulfuric acid, precipitate of BaSO4 forms
7
Q
Extraction of Titanium
A
TiCl4+2Mg->Ti+2MgCl2
