Question detail
Why might less reactive metals not react readily with dilute acids?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Reactions of acids
Question
- A. They do not produce hydrogen ions.
- B. They require more energy to react.
- C. They are not soluble in water.
- D. They are less stable than reactive metals.
Answer
They require more energy to react.
Explanation
Less reactive metals may not react readily with dilute acids because they require more energy to overcome the activation energy barrier.
Common mistake
Hydrogen Test Confusion
Students often state that hydrogen gas can be identified by its color or smell.
Emphasize that hydrogen gas is colorless and odorless, and the test involves using a lighted splint to produce a 'pop' sound.
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