What is geometry of `ClO_2^(ɵ),ClO_3^(ɵ)` and `ClO_4^(ɵ)` ions?

Explanation

To determine the geometry of the ions \( \text{ClO}_2^{-}, \text{ClO}_3^{-}, \text{ClO}_4^{-} \), we will follow a systematic approach using the concept of hybridization and steric number.

### Step 1: Determine the Valence Electrons
For each ion, we need to identify the number of valence electrons for the central atom, which is chlorine (Cl).

- Chlorine (Cl) has 7 valence electrons.

### Step 2: Calculate the Steric Number
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