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📘 Class 12 Chemistry – The p-Block Elements-II
Description:

This unit deals with Group 16 (Oxygen family), Group 17 (Halogens), and Group 18 (Noble gases) of the periodic table. It covers their electronic configuration, occurrence, physical and chemical properties, important compounds, and applications. Students also explore environmental aspects and industrial uses of these elements.

Key Topics:
1. Group 16 – Oxygen Family (Chalcogens)

Occurrence and trends in physical & chemical properties

Important compounds:

Dioxygen (O₂), ozone (O₃)

Sulphur dioxide (SO₂), sulphuric acid (H₂SO₄)

Oxoacids of sulphur

2. Group 17 – Halogens

General trends and anomalous behavior of fluorine

Important compounds:

Hydrogen halides (HF, HCl, etc.)

Interhalogen compounds

Structure & reactivity of halogen oxoacids

3. Group 18 – Noble Gases

General characteristics and trends

Occurrence and uses of noble gases

Compounds of xenon: XeF₂, XeF₄, XeF₆, XeOF₄

Applications in lighting, industry, and medical science