OCR AS Chemistry F331: Group 2

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  • Created on: 22-08-13 17:36
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Group 2
Trends down a group
More reactive with water
Hydroxides are more soluble
Carbonates are less soluble
More thermally stable
Trends across a period
Less reactive
Reaction Thermal Ease of Solubility of Solubility of Acid base
with stability decomposition hydroxides carbonates behaviour
More strongly alkaline
More Reactive
More soluble
More soluble
More stable

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Reactions of the elements in Group 2
The metals react with water to give the metal hydroxide and hydrogen
metal + water metal hydroxide + hydrogen
M (s) + 2H20 M (OH)2 (S) + H2 (g)
As is typical for metals, the reactions become more vigorous as you go down the group.…read more


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