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Single Replacement Reactions Lab Report

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Reactivity of Metals in Single-Replacement Reactions

A lab was conducted to test the reactivity of metals in single-replacement reactions. This lab was done to solve the problem of which metals will replace each other in single-replacement reactions. A single replacement reaction is a type of oxidation-reduction chemical reaction when an element or ion moves out of one compound and into another. It was presumed before the experiment that the location of the metal on the Activity Series chart would thus determine the reactivity of the metal. Copper, magnesium, iron, and zinc were all tested in the same five solution compounds; which included hydrochloric acid, sulfate, magnesium chloride, iron chloride, and zinc chloride. Observations of chemical changes within the reaction were recorded to describe the results of the reaction and each metal's reactivity. An example of a single replacement reaction is the Statue of Liberty, which has copper on the outside and iron as an inner support. As time went by, the copper started to react with air and form a verdigris coat, or a bright bluish-green patina. Meanwhile, a single replacement reaction between iron and verdigris takes place so that Verdigris on the outside is replaced back to copper but the iron support is oxidized and rusted. As a result of this reaction, approximately 1800 iron …show more content…

The same metal was placed in vertical columns in an effort to organize the metals. Groups moved to each solution labeled and covered the metal in the respective solution. Observations to how each metal reacted to a solution were then recorded. Each metal was covered in five different solution compounds. Unless the metal and the solution compound contained the same element, such as iron and iron (III) chloride. To cover this metal in this solution would have been counter productive since the same product would have been

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