Chapter 11 • Class 11 Chemistry
The p-Block Elements (Group 13 & 14)
Class 11 Chemistry (NCERT): the p-block Groups 13 & 14 — boron family, carbon family, inert pair effect, diborane 3c-2e bonds, catenation, diamond vs graphite, borax, silicones and zeolites with solved examples and tests.
Study by topic — one focused page each
1
Group 13: Boron Family
The p-block occupies the right-hand side of the periodic table — Groups 13 to 18. In these elements the last electron enters a p-orbital , giving a ge…
Start this topic → 2Group 14: Carbon Family
Group 14 — the carbon family — contains carbon (C), silicon (Si), germanium (Ge), tin (Sn) and lead (Pb). Their valence configuration is ns 2 np 2 , g…
Start this topic → 3Anomalies & Important Compounds
Two grand themes tie Groups 13 and 14 together: the inert pair effect that governs oxidation-state stability, and the anomalous behaviour of the first…
Start this topic →Chapter-wide tests
Online Test
20 MCQ • 15 min
IMO / Olympiad Practice
Olympiad level • 15 min
📝 Full Chapter Test (Download & Print)
40 marks • 90 min • with answer key