Assertion: E.m.f. and potential difference are same for cell.
Reason: Both gives the difference in electrode potential under any condition.

Options

A. if both assertion and reason are true and the reason is the correct explanation of the assertion.
B. If both assertion and reason are true but reason is not the correct explanation of the assertion.
C. If assertion is true but reason is false
D. If the assertion and reason both are false.

Explanation

To analyze the assertion and reason provided in the question, we can break down the concepts of E.M.F. (Electromotive Force) and potential difference step by step.

### Step 1: Understanding E.M.F. and Potential Difference
- **E.M.F.**: It is the maximum potential difference between the two electrodes of a cell when no current is flowing. It represents the energy provided by the cell per unit charge.
- **Potential Difference**: It is the difference in electric potential between two points in a circuit. When current flows, the potential difference can be less than the E.M.F. due to internal resistance and other factors.

### Step 2: Analyzing the Assertion
- The assertion states that E.M.F. and potential difference are the same for a cell. This is **not true** under normal operating conditions because the potential difference can be affected by the internal resistance of the cell when current flows.

### Step 3: Analyzing the Reason
- The reason states that both E.M.F. and potential difference give the difference in electrode potential under any condition. This is also **not entirely accurate**. While both terms relate to potential differences, they do not provide the same values under all conditions, especially when current is flowing.

### Step 4: Conclusion
- Since the assertion is incorrect (E.M.F. and potential difference are not the same when current flows), and the reason is also incorrect (they do not always give the same difference in electrode potential), we conclude that both the assertion and reason are false.

### Final Answer
- **Assertion**: False
- **Reason**: False