Lesson 3.2.2
3.2.2 Group 2, the alkaline earth metals Quiz: AQA Chemistry, Unit 2
20 questions
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Lesson 3.2.2, Group 2, the alkaline earth metals: 20 multiple choice questions for the AQA Chemistry (7405), Unit 2: Inorganic chemistry, written with Revision Ninja.
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The 20 questions
-
What is the collective name for the elements in Group 2 of the periodic table?
- Transition metals
- Halogens
- Alkaline earth metals
- Alkali metals
-
Which gas is produced when calcium metal reacts with cold water?
- Carbon dioxide
- Oxygen
- Hydrogen
- Nitrogen
-
Which Group 2 metal reacts most vigorously with cold water, among Mg, Ca, Sr and Ba?
- Magnesium
- Calcium
- Barium
- Strontium
-
Which solid compound is formed when magnesium reacts with steam?
- Magnesium hydroxide
- Magnesium oxide
- Magnesium hydride
- Magnesium carbonate
-
How does the solubility of Group 2 hydroxides in water change down the group?
- Stays constant
- Decreases then increases
- Increases
- Decreases
-
How does the solubility of Group 2 sulfates in water change down the group?
- Stays constant
- Increases then decreases
- Increases
- Decreases
-
Which property of barium sulfate allows it to be safely swallowed as an X-ray contrast agent?
- Highly soluble
- Strongly acidic
- Highly reactive
- Insoluble in water
-
Why is calcium hydroxide routinely applied to agricultural soil by farmers?
- Neutralise acidic soil
- Provide nitrate nutrients
- Increase soil acidity
- Kill soil bacteria
-
What role does magnesium play during the industrial extraction of titanium from titanium tetrachloride?
- Solvent
- Reducing agent
- Oxidising agent
- Catalyst
-
Why is hydrochloric acid added before testing for sulfate ions with barium chloride solution?
- Remove carbonate ions
- Neutralise barium ions
- Oxidise chloride ions
- Precipitate sulfate ions
-
What precipitate forms when barium chloride solution reacts with aqueous sulfate ions?
- Barium carbonate
- Barium hydroxide
- Barium sulfate
- Barium chloride
-
What visual observation occurs when aqueous sodium hydroxide is added to magnesium chloride solution?
- Brown precipitate
- White precipitate
- Colourless solution
- Effervescence
-
Which energy term falls faster than hydration enthalpy down Group 2, increasing hydroxide solubility?
- Ionisation enthalpy
- Bond enthalpy
- Electron affinity
- Lattice enthalpy
-
Why does the reactivity of Group 2 metals with water increase down the group?
- Nuclear charge decreases
- Ionisation energy decreases
- Atomic radius decreases
- Ionisation energy increases
-
What is observed when excess sodium hydroxide is added to aqueous magnesium chloride?
- White precipitate dissolves
- Solution turns brown
- White precipitate remains
- No reaction occurs
-
Why does barium sulfate remain as a precipitate in the test for sulfate ions?
- Decomposes in acid
- Insoluble in acid
- Reacts with acid
- Soluble in acid
-
Which Group 2 element reacts most slowly with cold water?
- Strontium
- Magnesium
- Barium
- Calcium
-
What are the products when barium metal reacts with cold water?
- Hydroxide and hydrogen
- Hydroxide and oxygen
- Oxide and hydrogen
- Hydride and oxygen
-
Which Group 2 compound is sparingly soluble and used in medicine as an antacid?
- Strontium hydroxide
- Calcium hydroxide
- Magnesium hydroxide
- Barium hydroxide
-
Why is calcium oxide used to remove sulfur dioxide from flue gases?
- Oxidises neutral gas
- Catalyses gas breakdown
- Reduces basic gas
- Neutralises acidic gas
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