Lesson 3.2.3.1
3.2.3.1 Trends in properties Quiz: AQA Chemistry, Unit 2
20 questions
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Lesson 3.2.3.1, Trends in properties: 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 trend in electronegativity down Group 7?
- Increases then decreases
- It stays constant
- It decreases
- It increases
-
Why do boiling points increase down Group 7?
- Weaker dipole forces
- Stronger intermolecular forces
- Stronger ionic bonds
- Stronger covalent bonds
-
Which halogen in Group 7 has the highest boiling point?
- Chlorine
- Fluorine
- Iodine
- Bromine
-
What is the trend in oxidising ability of the halogens down Group 7?
- It stays constant
- It increases
- Increases then decreases
- It decreases
-
Which species will displace bromide ions from aqueous sodium bromide?
- Iodine
- Astatine
- Sodium
- Chlorine
-
What colour is observed when chlorine water is added to aqueous potassium bromide?
- Pale green
- Orange
- Colourless
- Purple
-
What is the trend in reducing ability of halide ions down Group 7?
- It stays constant
- It decreases
- Decreases then increases
- It increases
-
What is observed when solid sodium iodide reacts with concentrated sulfuric acid?
- White precipitate
- Brown gas
- Purple vapour
- Green solution
-
Which ion is a stronger reducing agent than a chloride ion?
- Bromide
- Fluoride
- Sodium
- Sulfate
-
Which reagent is used to test for halide ions in solution?
- Acidified barium chloride
- Concentrated sulfuric acid
- Sodium hydroxide
- Acidified silver nitrate
-
What colours are silver chloride, silver bromide, and silver iodide precipitates respectively?
- Cream, white, yellow
- White, cream, yellow
- White, yellow, cream
- Yellow, cream, white
-
Why is silver nitrate acidified before testing for halide ions?
- To increase pH
- To oxidise halides
- To dissolve precipitates
- To remove carbonates
-
What property of silver halides is tested using aqueous ammonia?
- Solubility
- Electronegativity
- Oxidising power
- Melting point
-
Which silver halide dissolves in dilute aqueous ammonia?
- Silver fluoride
- Silver chloride
- Silver bromide
- Silver iodide
-
What is the trend in solubility of silver halides in ammonia down Group 7?
- Increases
- Remains constant
- Increases then decreases
- Decreases
-
What colour is the precipitate formed when aqueous silver nitrate is added to aqueous potassium chloride?
- Yellow
- Cream
- Brown
- White
-
Which sodium halide reduces concentrated sulfuric acid to hydrogen sulfide?
- Sodium iodide
- Sodium fluoride
- Sodium chloride
- Sodium bromide
-
Which halogen is the most electronegative?
- Iodine
- Fluorine
- Bromine
- Chlorine
-
Which halogen is the strongest oxidising agent?
- Bromine
- Fluorine
- Iodine
- Chlorine
-
Which compound forms as a cream precipitate when testing for bromide ions?
- Silver iodide
- Silver chloride
- Silver bromide
- Silver carbonate
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