We can use the reactions of metals with acids to tell us how reactive that metal is.
Reactions of metals with acids
We can use the reactions of metals with acids to tell us how reactive that metal is. The more vigorously it reacts, the more reactive the metal. The slower the reaction (sometimes there is no reaction at all), the less reactive the metal.
Metals react with acids to form a salt and hydrogen, as described in the equation below:
You can use the following experimental set-up to determine the order of reactivity of different metals:
1.Add equal volumes of dilute hydrochloric acid or dilute sulfuric acid into a series of test tubes then add a equal mass of metal to each test tube. It is important that each metal has the same surface area because this will affect the rate of reaction.
2.Count the number of bubbles produced in a given time. The bubbles are hydrogen gas and can be confirmed using a lit splint, which will produce a ‘squeaky pop’ when the hydrogen burns.
3.The faster the bubbles are given off, the faster the rate of reaction and the more reactive the metal.
Answers & Comments
Answer:
We can use the reactions of metals with acids to tell us how reactive that metal is.
Reactions of metals with acids
We can use the reactions of metals with acids to tell us how reactive that metal is. The more vigorously it reacts, the more reactive the metal. The slower the reaction (sometimes there is no reaction at all), the less reactive the metal.
Metals react with acids to form a salt and hydrogen, as described in the equation below:
You can use the following experimental set-up to determine the order of reactivity of different metals:
1.Add equal volumes of dilute hydrochloric acid or dilute sulfuric acid into a series of test tubes then add a equal mass of metal to each test tube. It is important that each metal has the same surface area because this will affect the rate of reaction.
2.Count the number of bubbles produced in a given time. The bubbles are hydrogen gas and can be confirmed using a lit splint, which will produce a ‘squeaky pop’ when the hydrogen burns.
3.The faster the bubbles are given off, the faster the rate of reaction and the more reactive the metal.
Explanation:
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