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Chapter 7: Problem 5

State whether the following statements are true or false. In the electrochemical series, ions are arranged in an increasing order of discharge potentials.

Short Answer

Expert verified
Answer: False

Step by step solution

01

Understanding the Electrochemical Series

The electrochemical series is a list of elements or ions arranged in order of their standard electrode (reduction) potentials, which refers to their ability to accept or lose electrons. In this series, the more positive the reduction potential, the higher the tendency of the ion to accept electrons and be reduced. Conversely, the more negative the reduction potential, the higher the tendency of the ion to lose electrons and be oxidized.
02

Discharge Potentials

Discharge potential is the minimum potential required to discharge an ion (the limit at which it changes its state from an ion to an atom by electron transfer). In the electrochemical series, elements that have a higher reduction potential are more likely to be reduced and will therefore have a low discharge potential, while those with a lower reduction potential will have higher discharge potentials.
03

True or False

Now, we need to determine whether the ions in the electrochemical series are arranged in an increasing order of discharge potentials. Since elements with higher reduction potentials have lower discharge potentials, the series is not arranged in an increasing order of discharge potentials, but rather, in an increasing order of reduction potentials. So, the statement "In the electrochemical series, ions are arranged in an increasing order of discharge potentials" is False.

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