In this video, we’re covering an important topic from 12th class Chemistry – Nitrogen Dioxide (NO₂) from Chapter 4 of the Punjab Board syllabus. We’ll explain how nitrogen dioxide is prepared, its key properties, and all the important reactions you need to remember. Topics Covered: Nitrogen Dioxide Timestamps: 00:00 - 03:01 Nitrogen Dioxide 03:01 - 09:12 Preparation of Nitrogen Dioxide 09:12 - 11:53 Properties of Nitrogen Dioxide 11:53 - 33:36 Reactions of Nitrogen Dioxide Watch Next: • PGC Lectures-Inter Part II-Punjab Board-Ch... #NitrogenDioxide #NO2Reactions #NitrogenDioxideProperties #NitrogenDioxidePreparation #NitrogenDioxideReactions