How many tranquilizer are in the following ?
Luminal , Crocin , Equanil , Seconal , Penicillin

Answer

To determine how many tranquilizers are in the given list of drugs (Luminal, Crocin, Equanil, Seconal, Penicillin), we will analyze each drug based on its classification and use.

### Step-by-Step Solution:

1. **Understanding Tranquilizers**:
- Tranquilizers are a class of drugs used to treat anxiety and agitation. They work by affecting the central nervous system to reduce tension and anxiety.

2. **Analyzing Each Drug**:
- **Luminal**: This drug is a tranquilizer. It is used to treat anxiety and has sedative properties.
- **Crocin**: This is not a tranquilizer. Crocin is primarily used as a painkiller (analgesic) and is effective for treating headaches and mild to moderate pain.
- **Equanil**: This drug is a tranquilizer. It is used to treat anxiety and has calming effects.
- **Seconal**: This is also a tranquilizer. It is used for its sedative properties and to manage anxiety.
- **Penicillin**: This is not a tranquilizer. Penicillin is an antibiotic used to kill bacteria and treat infections.

3. **Counting the Tranquilizers**:
- From the analysis, we find that Luminal, Equanil, and Seconal are tranquilizers.
- Crocin and Penicillin are not tranquilizers.

4. **Conclusion**:
- Therefore, the total number of tranquilizers in the list is **3** (Luminal, Equanil, Seconal).

### Final Answer:
There are **3 tranquilizers** in the given list.

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