Which of the following hydroxides of group II elements is least soluble in water?
Correct answer: C. Be(OH)2
- A. Ca(OH)2
- B. Mg(OH)2
- C. Be(OH)2
- D. Sr(OH)2
Explanation
Beryllium hydroxide is the least soluble among the group II hydroxides. It is only slightly soluble in water.
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About Reactions of Group II Elements
Group II reactions cover the behaviour of beryllium, magnesium, calcium, strontium and barium with water, oxygen, halogens, acids and nitrogen. The trends in reactivity, hydroxide solubility and basicity, along with the thermal decomposition of carbonates and nitrates, depend on increasing atomic size down the group.
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