Oxirane reacts with Grignard reagent to form primary /secondary alcohol.

Explanation

To solve the question regarding the reaction of oxirane with a Grignard reagent to form either a primary or secondary alcohol, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Structure of Oxirane:**
- Oxirane is a three-membered cyclic ether, also known as ethylene oxide. Its chemical formula is C2H4O. The structure consists of two carbon atoms and one oxygen atom in a triangle.

2. **Understand the Grignard Reagent:**
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