Veronal and lumial are derivatives of barbituric acid which are `"……."`

Options

A. tranquilizers
B. non-narcotic analgesic
C. anti-allergic drugs
D. neurologically active drugs

Explanation

**Step-by-Step Solution:**

1. **Identify the Compounds**: Veronal and Luminal are both derivatives of barbituric acid.

2. **Classify the Compounds**: These compounds belong to a larger class known as barbiturates.

3. **Define Barbiturates**: Barbiturates are a group of drugs that act as central nervous system depressants. They are primarily used for their sedative and anxiolytic effects.

4. **Understand the Function**: Barbiturates, including Veronal and Luminal, are classified as tranquilizers. They are used to treat anxiety, stress, and other mental health conditions.

5. **Characteristics of Tranquilizers**: Tranquilizers are neurologically active drugs that help in calming the nervous system. They are not narcotics or anti-allergic medications.

6. **Conclusion**: Therefore, Veronal and Luminal are derivatives of barbituric acid which are classified as tranquilizers.

**Final Answer**: Veronal and Luminal are derivatives of barbituric acid which are **tranquilizers**.

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