Chemistry Tuition Singapore A Level H2 H1 Chemistry Tuition – Group II

Which one of the following statements of Group II elements (magnesium to barium) is correct?

A       The tendency to form complex ions decreases down the Group.

B       The reactivity with cold water decreases down the Group.

C       The acidity of an aqueous solution of the Group II chlorides increases.

D       The minimum temperature required for the decomposition of the Group II nitrates decreases.

Answer (A)

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