BRAINCAKESolubility of Group 2 Hydroxides
The solubility of Group 2 hydroxides increases down the group.
Magnesium hydroxide has very low solubility in water.
Calcium hydroxide is only slightly soluble in water. The product is called limewater and is used as a test for carbon dioxide.
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Key terms in this lesson
- Ion
- A positively or negatively charged atom or group of atoms, formed by the loss or gain of electrons.
- Group
- A vertical column of the periodic table, containing elements with the same number of outer-shell electrons.
More in Reactivity Trends
- Group 2 Redox Reactions with Water
- Group 2 Redox Reactions with Dilute Acids
- Group 2 Reactivity and Ionisation Energy
- Reactions of Group 2 Oxides
- Uses of Group 2 Compounds
- Group 7 Halogens Trends in Boiling Points
- Group 7 Redox Reactions and Reactivity
- Halogen-Halide Displacement Reactions
All 16 lessons in Reactivity Trends · All OCR AS-level Chemistry topics