A-LevelChemistryGroup 29701/12 · Feb/Mar 2025 · Q181 Mark
A reaction scheme for a Group 2 metal, M, is shown. M --(reacts with oxygen)--> X --(reacts with water)--> Y --(reacts with sulfuric acid)--> Z Which row is correct as M descends Group 2 from Mg to Ba?
Adecreases decreases
Bdecreases increases
Cincreases decreases
Dincreases increases
✓ Correct answer
C: increases decreases
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