Assertion:- Ethyl chloride is more reactive than vinyl chloride.
Reason:- Vinyl is electron repelling group showing +I.

Options

A. If both Assertion `&` Reason are True `&` the Reason is a correct explanation of the Assertion.
B. If both Assertion `&` Reason are True but Reason is not a correct explanation of the Assertion.
C. If Assertion is True but the Reason is False.
D. If both Assertion `&` Reason are False.

Answer

To solve the assertion and reason question, we need to analyze both the assertion and the reason provided.

### Step-by-Step Solution:

1. **Understanding the Compounds**:
- Ethyl chloride (C2H5Cl) is an alkyl halide where the carbon is attached to chlorine through a single bond.
- Vinyl chloride (C2H3Cl) is a vinyl halide where the carbon is part of a double bond with another carbon, and it is also attached to chlorine.

2. **Analyzing Reactivity**:
- The assertion states that ethyl chloride is more reactive than vinyl chloride. To assess this, we need to consider the bond characteristics and the stability of the compounds.
- In ethyl chloride, the C-Cl bond is a straightforward single bond, which is generally easier to break during chemical reactions.
- In vinyl chloride, the presence of the double bond (C=C) creates resonance structures that can stabilize the molecule. This resonance makes the C-Cl bond stronger and less reactive compared to ethyl chloride.

3. **Resonance Effect**:
- The reason states that vinyl is an electron-repelling group showing a +I (inductive) effect. However, this is misleading.
- The presence of the double bond in vinyl chloride allows for resonance, which delocalizes the electrons and strengthens the C-Cl bond. This means that the C-Cl bond in vinyl chloride is less likely to break compared to the C-Cl bond in ethyl chloride.

4. **Conclusion**:
- Since the C-Cl bond in vinyl chloride is stronger due to resonance, it requires more energy to break. Therefore, ethyl chloride is indeed more reactive than vinyl chloride.
- Thus, the assertion is true, but the reason provided is false because it incorrectly attributes the reactivity to the inductive effect rather than the resonance effect.

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