What are the types of hybridization involved in the following geometrical shapes of the complex? (a)
square planar
(b) Tetrahedral
(c) Octahedral

Explanation

To determine the types of hybridization involved in the geometrical shapes of the complexes, we will analyze each shape step by step.

### Step 1: Square Planar
1. **Definition**: A square planar complex has a central atom surrounded by four ligands arranged at the corners of a square, all lying in the same plane.
2. **Hybridization**: The hybridization for a square planar geometry is **dsp²**. This involves one d orbital, one s orbital, and two p orbitals from the central atom.
3. **Example**: A common example of a square planar complex is [Ni(CN)₄]²⁻.

### Step 2: Tetrahedral
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