what is chiral center?

Explanation

### Step-by-Step Text Solution:

1. **Definition of Chiral Center**: A chiral center, also known as a stereocenter, is typically a carbon atom that is bonded to four different substituents. This unique arrangement allows the molecule to exist in two non-superimposable mirror images, known as enantiomers.

2. **Understanding Chirality**: A molecule is considered chiral if it cannot be superimposed on its mirror image. This means that if you were to place the molecule and its mirror image on top of each other, they would not match perfectly.

3. **Example of a Chiral Center**: Consider a carbon atom that has the following substituents:
- Hydrogen (H)
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