Chemistry
High School (11–12)
The p-Block Elements › Groups 15 and 16: Nitrogen and Oxygen FamiliesThe p-Block Elements › Groups 17 and 18: Halogens and Noble GasesChapter 11Contains Standard contentThe p-Block Elements: Groups 15 to 18
Air is mostly nitrogen, a match head holds phosphorus, a car battery is filled with sulphuric acid, swimming pool water is cleaned with chlorine, and a glowing sign is filled with a noble gas. All of them come from the right-hand side of the periodic table. In this chapter you learn how nitrogen, phosphorus, oxygen, sulphur, the halogens and the noble gases are made, how they react, and why their molecules have the shapes they have. It serves the Indian syllabus (NCERT, JEE Main, NEET) and the matching topics of A-Level, IB and AP Chemistry. Python balances the equations, runs the plant calculations and works out the shapes.
Part of Chemistry · High School (11–12) (chapter 11)
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Group 15: Nitrogen, Ammonia and Phosphorus
Air is four fifths nitrogen, yet nitrogen is hard to make use of. We see why, follow ammonia from the Haber process to the Ostwald process and nitric acid, and meet phosphorus with its allotropes, phosphine, chlorides and acids. It covers the Indian syllabus (NCERT, NEET, JEE Main) and the matching topic of A-Level, IB and AP.
Group 16: Oxygen, Ozone and Sulphur
Oxygen is in the air we breathe and in the ozone that shields us from the sun. Sulphur makes the acid that is used in the largest amount in industry. We study the oxides, ozone and its layer, the forms of sulphur, sulphur dioxide, the contact process and the acids of sulphur. It covers the Indian syllabus (NCERT, NEET, JEE Main) and the matching topic of A-Level, IB and AP.