3.3.2 - metal reactivity and displacement reactions Flashcards
1
Q
reactivity series lowest to highest:
A
Au -> Ag -> Cu -> H -> Pb -> Fe -> Zn -> C -> Al -> Mg -> Ca -> Li -> Na -> K
2
Q
what do metals react with water to form
A
metal hydroxides and hydrogen
3
Q
metal + water ->
A
metal hydroxide + hydrogen
4
Q
observations made in the reaction between a metal and water
A
effervescence
solid disappears
5
Q
more reactive metals can ……… less reactive metals from their compounds
A
displace
6
Q
observations for displacement reactions?
A
solid colour change
solution colour change
7
Q
a displacement reaction can only occur if……
A
the metal used is more reactive than the metal already in the compound