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e simplest types of oxidation-reduction is the reaction of an aqueous cation with a free Whether or not a cationelement combination uce a net change depends on the relative yof the various species to gain or lose electrons. vity series ranks elements in order of their cy to act as reducing agents. The elements at the the activity series are strong reducing agents and sily oxidized. The elements at the bottom of the are weak reducing agents. In other words, the ions near the bottom tend to go backward rather forward. The activny series can be used to predict tions using the simple guideline: Any element higher he activity series wil reduce the cation of any ment lower on the activity series. An abbreviated es is shown in the following: Ca +2e Fe Fe2+ 2e previous 4 9 consider the following data for five hypothetical elements: Q. W.X, Y,and Z. Rank the elements from most reactive to least reactive. Observation of reaction Q W X Z W Z Reaction occurs Place the element symbols from most to least reactive. To rank items as equivalent, overlap them. Reset Help
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Answer #1

Here, the concept used is as follows: The more reactive element will displace the less reactive element from the solution The

displace Element Z from the solution According to the above equation, Element W can Thus, the reactivity order will be: WZ Th

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