Question detail
Describe the role of hydroxide ions in neutralisation reactions.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Reactions of acids
Question
Describe the role of hydroxide ions in neutralisation reactions.
Answer
Hydroxide ions (OH-) react with hydrogen ions (H+) from acids to form water (H2O) during neutralisation reactions.
Explanation
This answer is strong as it explains the chemical interaction between hydroxide ions and hydrogen ions, which is essential for understanding neutralisation. It tests the student's ability to apply their knowledge of acid-base chemistry.
Common mistake
Confusing Alkalis with Acids
Students often confuse the ions produced by alkalis and acids, thinking that alkalis produce hydrogen ions instead of hydroxide ions.
Remember that alkalis produce hydroxide ions (OH-) in aqueous solution, while acids produce hydrogen ions (H+).
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