The geometry of a complex due to `dsp^(2)` hybridisation in the central metal ion is

Options

A. triangular planar
B. tetrahedral
C. square planar
D. trigonal bipyramidal

Answer

To solve the question regarding the geometry of a complex due to dsp² hybridization in the central metal ion, we can follow these steps:

### Step 1: Understand Hybridization
Hybridization is the concept used to explain the bonding in molecules. The notation "dsp²" indicates that one d orbital, one s orbital, and two p orbitals are involved in the hybridization process.

### Step 2: Identify the Geometry Associated with dsp² Hybridization
For dsp² hybridization, the geometry is typically associated with the arrangement of four electron pairs around the central atom. This arrangement leads to a specific geometric shape.

### Step 3: Determine the Shape
The dsp² hybridization results in a square planar geometry. In this geometry, the four ligands are positioned at the corners of a square, with the central metal ion at the center. This is a common geometry for transition metal complexes, especially those with a coordination number of 4.

### Step 4: Evaluate the Options
Now, let's evaluate the given options:
1. Trigonal planar
2. Tetrahedral
3. Square planar
4. Trigonal bipyramidal

From our understanding, the correct geometry for dsp² hybridization is square planar.

### Step 5: Conclusion
Thus, the correct answer to the question is:
**Square planar (Option 3)**.

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