A-LevelChemistryChemical bondingMay/June 2024Paper 1 Q221 Mark
Which statement describes a property of an ammonium ion?
AAn aqueous ammonium ion is a weak Brønsted–Lowry base.
BAqueous ammonium sulfate reacts with dilute hydrochloric acid to make ammonia gas.
CAn ammonium ion has a pyramidal shape with an H–N–H bond angle of 107°.
DThe four N–H covalent bonds in an ammonium ion are identical to each other.
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The correct answer is D. This question tests the candidate's understanding of chemical bonding within the Chemistrysyllabus. The examiner's mark scheme requires...
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