On hybridisation of one s and three p-orbitals, we get

Options

A. four orbitals with tetrahedral orientation
B. three orbitals with trigonal orientation
C. two orbitals with linear orientation
D. two orbitals with perpendicular orientation.

Explanation

To solve the question regarding the hybridization of one s and three p orbitals, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Orbitals Involved**:
- We have one s orbital and three p orbitals involved in the hybridization process.

2. **Determine the Type of Hybridization**:
- When one s orbital and three p orbitals combine, they undergo hybridization to form new hybrid orbitals. The combination of one s and three p orbitals leads to the formation of four equivalent hybrid orbitals.

3. **Name the Hybridization**:
- The hybridization formed from one s and three p orbitals is called **sp³ hybridization**. This is because the 's' contributes one orbital and the three 'p' orbitals contribute three, totaling four orbitals.

4. **Shape and Orientation of Hybrid Orbitals**:
- The four sp³ hybrid orbitals are arranged in a tetrahedral geometry. This arrangement minimizes the repulsion between the orbitals, resulting in a stable molecular structure.

5. **Example of sp³ Hybridization**:
- A common example of a molecule with sp³ hybridization is methane (CH₄). In methane, the carbon atom undergoes sp³ hybridization to form four equivalent sp³ hybrid orbitals, which are oriented tetrahedrally around the carbon atom.

6. **Conclusion**:
- Therefore, on hybridization of one s and three p orbitals, we get four sp³ hybridized orbitals with a tetrahedral orientation.

### Final Answer:
On hybridization of one s and three p orbitals, we get **four sp³ hybridized orbitals with tetrahedral orientation**.

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