Find the odd one out among the following sets give reasons.

Options

A. Nitrogen fluorine , oxygen , hydrogen , ozone.
B. `CaO,NaCI,Co,FeS,KNO_(3)`
C. `Se, K, Cu,Pb,SI`
D. Bromine , iodine ,carbon ,sulphur, silicon

Explanation

**Step-by-Step Solution:**

1. **Identify the Sets:**
We have four sets of elements/compounds to analyze. They are:
- Set 1: Nitrogen (N2), Fluorine (F2), Oxygen (O2), Hydrogen (H2), Ozone (O3)
- Set 2: Calcium Oxide (CaO), Sodium Chloride (NaCl), Carbon Monoxide (CO), Ammonium Phosphate (APS), Potassium Nitrate (KNO3)
- Set 3: Potassium (K), Copper (Cu), Lead (Pb), Silicon (Si)
- Set 4: Iodine (I), Carbon (C), Sulfur (S), Silicon (Si), Bromine (Br)
...