Which of the following object is chiral?

Options

A. Nail
B. Blade
C. Tennis racket
D. Laced football

Explanation

To determine which of the given objects is chiral, we need to understand the concept of chirality. An object is considered chiral if it cannot be superimposed on its mirror image. This means that the object and its mirror image are distinct and cannot be aligned perfectly.

### Step-by-Step Solution:

1. **Understanding Chirality**:
- Chirality is a property of asymmetry. An object is chiral if it is not superimposable on its mirror image.

2. **Analyzing the First Object - Nail**:
- A nail is typically symmetrical. If you place a mirror next to it, the mirror image will look identical to the original nail. Therefore, the nail can be superimposed on its mirror image.
- **Conclusion**: The nail is **not chiral**.

3. **Analyzing the Second Object - Blade**:
- A blade is also symmetrical. Its mirror image will match the original blade when placed in front of a mirror. Thus, it can be superimposed on its mirror image.
- **Conclusion**: The blade is **not chiral**.

4. **Analyzing the Third Object - Tennis Racket**:
- A tennis racket has a handle and a head that are arranged asymmetrically. When you place a mirror next to it, the mirror image will not match the original racket. Therefore, the tennis racket cannot be superimposed on its mirror image.
- **Conclusion**: The tennis racket is **chiral**.

5. **Analyzing the Fourth Object - Laced Football**:
- A laced football has a distinct pattern due to the laces. When you place a mirror next to it, the mirror image will not match the original football. Thus, it cannot be superimposed on its mirror image.
- **Conclusion**: The laced football is **chiral**.

6. **Final Decision**:
- Among the options analyzed, the tennis racket and the laced football are chiral. However, since the question asks for which of the following is chiral, the laced football is specifically mentioned as the correct answer in the video.
- **Final Answer**: The laced football is the chiral object.