Which of the following element has maximum standard reduction potential?

Options

A. Li
B. K
C. F
D. Cl

Answer

To determine which of the given elements has the maximum standard reduction potential (SRP), we can follow these steps:

### Step 1: Understand Standard Reduction Potential
Standard reduction potential is a measure of the tendency of a chemical species to acquire electrons and thereby be reduced. The more positive the SRP, the greater the species' ability to be reduced.

### Step 2: List the Given Elements
The elements provided in the question are:
- Lithium (Li)
- Potassium (K)
- Fluorine (F)
- Chlorine (Cl)

### Step 3: Refer to the Electrochemical Series
The electrochemical series ranks elements based on their standard reduction potentials. Elements with lower SRP values are more likely to lose electrons (oxidize), while those with higher SRP values are more likely to gain electrons (reduce).

### Step 4: Identify SRP Values
From the electrochemical series, we can summarize the standard reduction potentials for the relevant elements:
- Lithium (Li): Very low SRP (least positive)
- Potassium (K): Lower SRP than Chlorine and Fluorine
- Chlorine (Cl): Higher SRP than Lithium and Potassium
- Fluorine (F): Highest SRP (most positive)

### Step 5: Compare the SRP Values
- Lithium has the least positive SRP.
- Potassium has a low SRP.
- Chlorine has a higher SRP than both Lithium and Potassium.
- Fluorine has the highest SRP among all the given options.

### Step 6: Conclusion
Based on the electrochemical series, Fluorine (F) has the maximum standard reduction potential among the options provided.

### Final Answer
The element with the maximum standard reduction potential is **Fluorine (F)**.

---