Reactions of Group 2 Elements (AQA A Level Chemistry)

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Reactions of Group 2 Elements

  • Although there is no required practical specifically based around the reactions of Group 2 elements, these reactions are important and students tend to not do very well on these questions in the exam
  • Practical style questions can be asked on this topic - you should learn this in detail

Reactions of Group 2 Elements

Group 2 - Table 1_Reactions of Group 2 Elements, downloadable AS & A Level Chemistry revision notes

  • The reaction of all Group 2 metals with oxygen follows the following general equation:

2M (s) + O2 (g) → 2MO (s)

Where M is any metal in Group 2

  • Sr and Ba also form MO2
  • The reaction of all metals with water follows the following general equation:

M (s) + 2H2O (l) → M(OH)2 (s) + H2 (g)

Except for, Be which does not react with water

  • The reaction of all metals with dilute HCl follows the following general equation:

M (s) + 2HCl (aq) → MCl2 (aq) + H2 (g)

  • The reaction of all metals with dilute H2SO4 follows the following general equation:

M (s) + H2SO4 (aq) → MSO4 (aq) + H2 (g)

  • SrSOand BaSO4 are insoluble

Group 2 Reactions with Oxygen & Water Chemical Equations

Group 2 - Table 2_Reactions of Group 2 Elements, downloadable AS & A Level Chemistry revision notes

Group 2 Reactions with Dilute Hydrochloric Acid & Dilute Sulfuric Acid Chemical Equations

Group 2 - Table 3_Reactions of Group 2 Elements, downloadable AS & A Level Chemistry revision notes

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Stewart

Author: Stewart

Expertise: Chemistry Lead

Stewart has been an enthusiastic GCSE, IGCSE, A Level and IB teacher for more than 30 years in the UK as well as overseas, and has also been an examiner for IB and A Level. As a long-standing Head of Science, Stewart brings a wealth of experience to creating Exam Questions and revision materials for Save My Exams. Stewart specialises in Chemistry, but has also taught Physics and Environmental Systems and Societies.