Choose the correct statement from the following which is related to the electrochemical series:

Options

A. Electrochemical series is not the arrangement of metals and ions according to thrir reactivity.
B. The metal ions at the top of the elelctochemical series are highly electronegative
C. Strongly electropositive metals can displace weakly electropositive metals from their salt solution
D. All metals above hydrogen in the series do not displace hydrogen from dilute acids.

Answer

To solve the question regarding the correct statement related to the electrochemical series, let's analyze each of the provided statements step by step.

### Step 1: Analyze the Statements

1. **Statement 1**: "Electrochemical series is not the arrangement of metals and ions according to their reactivity."
- **Analysis**: This statement is incorrect. The electrochemical series indeed arranges metals and ions based on their reactivity, specifically their ability to lose electrons and their electrode potentials.

2. **Statement 2**: "The metal ions at the top of the electrochemical series are highly negative."
- **Analysis**: This statement is also incorrect. The metals at the top of the electrochemical series are highly electropositive, meaning they have a strong tendency to lose electrons, not to be negative.

3. **Statement 3**: "Strong electropositive metals can displace weakly electropositive metals from their salt solution."
- **Analysis**: This statement is correct. Strong electropositive metals can indeed displace weaker ones from their salt solutions due to their higher tendency to lose electrons.

4. **Statement 4**: "All metals above hydrogen in the series do not displace hydrogen from dilute acids."
- **Analysis**: This statement is incorrect. In fact, all metals above hydrogen in the electrochemical series can displace hydrogen from dilute acids.

### Step 2: Conclusion

Based on the analysis of each statement:
- The correct statement related to the electrochemical series is **Statement 3**: "Strong electropositive metals can displace weakly electropositive metals from their salt solution."

### Final Answer
The correct option is **Statement 3**.

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