d & f BlockHandwritten Notes
The d and f Block chapter is dense with property trends, named-compound reactions, and one set of must-remember preparations (KMnO4, K2Cr2O7). These handwritten notes by Paaras Sir cover every transition-metal trend and the chemistry of permanganate and dichromate in detail.
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Frequently Asked Questions
Are KMnO4 and K2Cr2O7 preparations covered?+
Yes — full preparation routes from pyrolusite (MnO2) and chromite (FeCr2O4) ores are drawn, with the reaction conditions and oxidising-agent equations in acidic, basic, and neutral media.
Is the magnetic-moment formula included?+
Yes. The spin-only formula $\mu = \sqrt{n(n+2)}$ BM is applied to predict magnetic moments of common transition-metal ions across oxidation states.
Do the notes cover lanthanide contraction consequences?+
Yes. Zr/Hf similarity, decreasing basicity of Ln(OH)3 across the series, and the influence on the d-block (5d radii) are all covered.
These handwritten notes are written by Paaras Sir at Canvas Classes and follow the NCERT Class 12 Chemistry syllabus prescribed by CBSE for the 2025-26 session. Free to read online or download as PDF — no login required.